Trojan.InstallFlash.A
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: | 264 |
| First Seen: | July 24, 2009 |
| Last Seen: | March 15, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.InstallFlash.A on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your computer's integrity and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future occurrences.
Table of Contents
What Is Trojan.InstallFlash.A?
Trojan.InstallFlash.A is a type of malware that disguises itself as a legitimate program or file, aiming to deceive users into installing it on their systems. The name suggests a possible connection to Adobe Flash, but it's crucial to note that the actual relationship between the malware and Adobe Flash is unclear. Trojans are known for their ability to open backdoors, allowing attackers to access and control infected systems remotely. They can also install additional malware, steal sensitive information, and disrupt system operations.
How Trojan.InstallFlash.A Operates
Once installed, Trojan.InstallFlash.A can operate in various ways, depending on its design and the intentions of its creators. It may connect to command and control servers to receive updates or instructions, allowing it to evolve and adapt to evade detection. The malware can also spread through infected software downloads, compromised websites, or via phishing emails. Its primary goal is to remain undetected while it performs malicious activities, such as data theft, keystroke logging, or using the infected system as part of a botnet for distributed denial-of-service (DDoS) attacks.
Symptoms of Infection
Identifying a Trojan infection can be challenging due to its stealthy nature. However, several symptoms may indicate the presence of Trojan.InstallFlash.A or similar malware. These include unexpected system crashes, slow performance, unfamiliar programs or icons, pop-ups, and changes in browser settings. Additionally, if your antivirus software is disabled or your firewall settings are altered without your knowledge, it could be a sign of a Trojan infection. Monitoring your system for these symptoms and maintaining a high level of security awareness is crucial for early detection and prevention.
How to Remove Trojan.InstallFlash.A
- Enter Safe Mode with Networking to prevent the malware from loading and to ensure you have internet access for downloading removal tools.
- Perform a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your system and perform another scan to ensure that the malware has been completely removed.
Conclusion
The removal of Trojan.InstallFlash.A requires a combination of technical knowledge, the right tools, and caution. It's essential to stay vigilant and proactive in protecting your system from malware threats. Regularly updating your operating system, using strong, unique passwords, avoiding suspicious downloads, and maintaining up-to-date antivirus software are key practices in preventing future infections. If you're unsure about any part of the removal process, consider seeking help from a cybersecurity professional to ensure your system is thoroughly cleaned and secured.
Analysis Report
General information
| Family Name: | Trojan.InstallFlash.A |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
9e00dcdd5f72f1ab619a21afa021972c
SHA1:
2c6ccbaf7804019a7b5de21d5fdde44d66178192
SHA256:
89CD95E5CD95D99F3361CB78462A0B14CAD718DEF8FD2BF30F8CABFECD0335FD
File Size:
312.82 KB, 312816 bytes
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MD5:
3cac3a69d517a99a67f64dd17fb7a686
SHA1:
cce0c13c1990d9d8b5a9d63045d8bafefa954893
SHA256:
AFF11556A7F89781F24AF468BF5C1F16D13680B24AAFD3D82B2F19B2907DEB71
File Size:
313.06 KB, 313056 bytes
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MD5:
2e4c062ebca9ba65a39c9240e84c0966
SHA1:
d387133b749c41598d8bd70bdce0d561f18bf917
SHA256:
5A2F9BF5A398C20051CC27C28BC43206B8C2C0F79A0815D104F318BA3A0AB21C
File Size:
349.68 KB, 349680 bytes
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MD5:
7ff22c56c2f9936f072a9a95e6e52dc0
SHA1:
fd4388a453c7ac54c890120696b05b2e9ffff9d3
SHA256:
377DF8AE99127A0D8477EAA3FB9E7CF11B4CC10103DA4345906B700C4705F2C9
File Size:
325.10 KB, 325104 bytes
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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 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)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- 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.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| File Description | Installer MFC Application |
| File Version |
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| Internal Name | Installer |
| Legal Copyright | Copyright (C) 2006 |
| Original Filename | Installer.EXE |
| Product Name | Installer Application |
| Product Version |
|
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| Skill On Net | Thawte Code Signing CA - G2 | Self Signed |
| Skill On Net | thawte SHA256 Code Signing CA | Self Signed |
File Traits
- HighEntropy
- Installer Version
- 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: | 1,544 |
|---|---|
| Potentially Malicious Blocks: | 77 |
| Whitelisted Blocks: | 1,467 |
| 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.- BHO.X
- BHO.XA
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 |
|---|---|
| \device\harddisk0\dr0 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\setupflashnew.exe | Generic Write,Read Attributes |
| c:\windows\appcompat\programs\amcache.hve | Read Data,Read Control,Write Data |
| c:\windows\appcompat\programs\amcache.hve | Write Attributes |
| c:\windows\appcompat\programs\amcache.hve.log1 | Read Data,Write Data |
| c:\windows\appcompat\programs\amcache.hve.log2 | Read Data,Write 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\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | 庼 Ǭ䠱O噀ñĤÁŁ鱹9뽹ɞ傄ë횎ǜ릣ʝ閾ʴ淃⟋ʪ柏ũߙĤ ᰂŁ鍂ꩠŖÉ窵ň忶Ǥ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | l � 8�tX��8 �6 �v �Z xy �� T������ ���5����Bx �� !wz #�#��$kF%:� &� (�(X�)E*J*9*�h+�[,��/9� /��1`1�1HO 1�D5�09ߔ<.:>3� @V� F?G�IH[uH�pH�� I��J�� K��N$N� R20U5�U_*V � X� | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Anti Debug |
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| User Data Access |
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| Other Suspicious |
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| Network Wininet |
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| Process Shell Execute |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
"C:\Users\Kmxjkrld\AppData\Local\Temp\SetupFlashNew.exe"
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"C:\Users\Wpiavaqi\AppData\Local\Temp\SetupFlashNew.exe"
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"C:\Users\Lezsrrds\AppData\Local\Temp\SetupFlashNew.exe"
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"C:\Users\Qdygxadb\AppData\Local\Temp\SetupFlashNew.exe"
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