Trojan.Renamer.CA
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 4 |
| First Seen: | January 19, 2011 |
| Last Seen: | September 12, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Renamer.CA on your system indicates a potential security threat that requires immediate attention. This type of threat is designed to infiltrate your computer and cause harm, making it essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.Renamer.CA, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.Renamer.CA?
Trojan.Renamer.CA is a type of malware that belongs to the Trojan category. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to a computer system. The ".CA" suffix may indicate a specific variant or classification of the Trojan, but its exact meaning is not publicly disclosed. It is crucial to note that Trojans can be used for various malicious purposes, including data theft, system compromise, and distribution of additional malware.
How Trojan.Renamer.CA Operates
Once installed on a system, Trojan.Renamer.CA can operate in various ways, depending on its intended purpose. It may attempt to connect to a command and control server to receive instructions from its creators, allowing it to download and install additional malware, steal sensitive information, or disrupt system operations. The Trojan may also try to hide its presence by using rootkit techniques or by disguising itself as a legitimate process. Understanding how Trojan.Renamer.CA operates is essential to developing an effective removal strategy.
Symptoms of Infection
Identifying the symptoms of a Trojan.Renamer.CA infection can be challenging, as it may not always exhibit noticeable signs. However, some common indicators of a Trojan infection include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar processes running in the background. You may also notice that your system is connecting to unfamiliar servers or that your personal data is being transmitted without your consent. If you suspect that your system is infected with Trojan.Renamer.CA, it is essential to take immediate action to prevent further damage.
How to Remove Trojan.Renamer.CA
- Boot your system in Safe Mode with Networking to prevent the Trojan from loading and to allow for a more effective removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of Trojan.Renamer.CA.
- Uninstall any suspicious programs or applications that may be related to the Trojan infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full scan to ensure that all remnants of the Trojan have been removed.
Conclusion
Removing Trojan.Renamer.CA from your system requires a thorough and multi-step approach. By understanding the nature of this threat and following the removal guide outlined above, you can help protect your system and personal data from further harm. It is essential to remain vigilant and to take proactive measures to prevent future infections, such as keeping your operating system and software up-to-date, using strong antivirus protection, and avoiding suspicious downloads or links. By taking these steps, you can help ensure the security and integrity of your computer system.
Analysis Report
General information
| Family Name: | Trojan.Renamer.CA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
3970a66efc8390a66e01b055ab986252
SHA1:
a2a3f447a8a28f02e75032f4bd5b70a609d838aa
SHA256:
ACE6B647C42A05A411961CCB963E8683767B7F31195504582A83509476E2C30B
File Size:
835.58 KB, 835584 bytes
|
|
MD5:
d5e0cb483d66315224e206eae9f6df57
SHA1:
108088c4e4cad0919edb26c91fd68e74d2b12ca6
SHA256:
F3496901190EB98F2C6DC16E88016E6D663439FB6C3363139A317DB1622521E5
File Size:
835.58 KB, 835584 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
Show More
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.File Traits
- 2+ executable sections
- No Version Info
- VirtualQueryEx
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 2,659 |
|---|---|
| Potentially Malicious Blocks: | 21 |
| Whitelisted Blocks: | 2,638 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Qhost.MA
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\autorun.inf | Synchronize,Write Attributes |
| c:\autorun.inf | Synchronize,Write Data |
| c:\hold.inf | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\paint | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\paint | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\inputpersonalization.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\mip.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\shapecollector.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\tabtip.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\vinputpersonalization.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
Show More
| c:\program files\common files\microsoft shared\ink\en-us\vinputpersonalization.exe.mui | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\vinputpersonalization.exe.mui | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\vmip.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\vmip.exe.mui | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\vmip.exe.mui | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\vshapecollector.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\vshapecollector.exe.mui | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\vshapecollector.exe.mui | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\vtabtip.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\vtabtip.exe.mui | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\vtabtip.exe.mui | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\inputpersonalization.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\mip.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\mip.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\rcx51a6.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\rcx5243.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\rcx52e1.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\rcx64d5.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\shapecollector.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\shapecollector.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\tabtip.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\tabtip.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\vinputpersonalization.exe | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\vinputpersonalization.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\vinputpersonalization.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\vmip.exe | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\vmip.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\vmip.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\vshapecollector.exe | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\vshapecollector.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\vshapecollector.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\vtabtip.exe | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\ink\vtabtip.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\vtabtip.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\msinfo\en-us\msinfo32.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\msinfo\en-us\vmsinfo32.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\msinfo\en-us\vmsinfo32.exe.mui | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\msinfo\en-us\vmsinfo32.exe.mui | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\msinfo\msinfo32.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\msinfo\msinfo32.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\msinfo\rcx55c0.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\msinfo\vmsinfo32.exe | Synchronize,Write Attributes |
| c:\program files\common files\microsoft shared\msinfo\vmsinfo32.exe | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\msinfo\vmsinfo32.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\cuassistant\culauncher.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\cuassistant\vculauncher.exe | Synchronize,Write Attributes |
| c:\program files\cuassistant\vculauncher.exe | Synchronize,Write Data |
| c:\program files\cuassistant\vculauncher.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\en-us\ieinstal.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\en-us\iexplore.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\en-us\vieinstal.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\en-us\vieinstal.exe.mui | Synchronize,Write Attributes |
| c:\program files\internet explorer\en-us\vieinstal.exe.mui | Synchronize,Write Data |
| c:\program files\internet explorer\en-us\viexplore.exe.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\en-us\viexplore.exe.mui | Synchronize,Write Attributes |
| c:\program files\internet explorer\en-us\viexplore.exe.mui | Synchronize,Write Data |
| c:\program files\internet explorer\extexport.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\iediagcmd.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\iediagcmd.exe | Synchronize,Write Data |
| c:\program files\internet explorer\ieinstal.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\ieinstal.exe | Synchronize,Write Data |
| c:\program files\internet explorer\ielowutil.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\ielowutil.exe | Synchronize,Write Data |
| c:\program files\internet explorer\iexplore.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\iexplore.exe | Synchronize,Write Data |
| c:\program files\internet explorer\rcx5861.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\rcx590e.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\rcx59ab.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\rcx5a39.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\vextexport.exe | Synchronize,Write Attributes |
| c:\program files\internet explorer\vextexport.exe | Synchronize,Write Data |
| c:\program files\internet explorer\vextexport.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\viediagcmd.exe | Synchronize,Write Attributes |
| c:\program files\internet explorer\viediagcmd.exe | Synchronize,Write Data |
| c:\program files\internet explorer\viediagcmd.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\vieinstal.exe | Synchronize,Write Attributes |
| c:\program files\internet explorer\vieinstal.exe | Synchronize,Write Data |
| c:\program files\internet explorer\vieinstal.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\vielowutil.exe | Synchronize,Write Attributes |
| c:\program files\internet explorer\vielowutil.exe | Synchronize,Write Data |
| c:\program files\internet explorer\vielowutil.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\internet explorer\viexplore.exe | Synchronize,Write Attributes |
| c:\program files\internet explorer\viexplore.exe | Synchronize,Write Data |
| c:\program files\internet explorer\viexplore.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\microsoft update health tools\expediteupdater.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\microsoft update health tools\uhssvc.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\microsoft update health tools\vexpediteupdater.exe | Synchronize,Write Attributes |
| c:\program files\microsoft update health tools\vexpediteupdater.exe | Synchronize,Write Data |
| c:\program files\microsoft update health tools\vexpediteupdater.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\microsoft update health tools\vuhssvc.exe | Synchronize,Write Attributes |
| c:\program files\microsoft update health tools\vuhssvc.exe | Synchronize,Write Data |
| c:\program files\microsoft update health tools\vuhssvc.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\rempl\sedlauncher.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\rempl\vsedlauncher.exe | Synchronize,Write Attributes |
| c:\program files\rempl\vsedlauncher.exe | Synchronize,Write Data |
| c:\program files\rempl\vsedlauncher.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\configsecuritypolicy.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\mpcmdrun.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\mpcmdrun.exe | Synchronize,Write Data |
| c:\program files\windows defender\msmpeng.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\nissrv.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\rcx5eae.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\vconfigsecuritypolicy.exe | Synchronize,Write Attributes |
| c:\program files\windows defender\vconfigsecuritypolicy.exe | Synchronize,Write Data |
| c:\program files\windows defender\vconfigsecuritypolicy.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\vmpcmdrun.exe | Synchronize,Write Attributes |
| c:\program files\windows defender\vmpcmdrun.exe | Synchronize,Write Data |
| c:\program files\windows defender\vmpcmdrun.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\vmsmpeng.exe | Synchronize,Write Attributes |
| c:\program files\windows defender\vmsmpeng.exe | Synchronize,Write Data |
| c:\program files\windows defender\vmsmpeng.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\windows defender\vnissrv.exe | Synchronize,Write Attributes |
| c:\program files\windows defender\vnissrv.exe | Synchronize,Write Data |
| c:\users\user\appdata\roaming\paint.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\wow6432node\microsoft\windows\currentversion\run::paint.exe | C:\Users\Emmhksqt\AppData\Roaming\Paint.exe | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\windows\currentversion\run::paint.exe | C:\Users\Uvwgpmtf\AppData\Roaming\Paint.exe | RegNtPreCreateKey |