Trojan.MSIL.Quasar.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.
| Popularity Rank: | 18,914 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 470 |
| First Seen: | May 19, 2023 |
| Last Seen: | May 14, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Quasar.CA on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational mechanisms, symptoms of infection, and most importantly, steps to remove it from your system. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.
Table of Contents
What Is Trojan.MSIL.Quasar.CA?
Trojan.MSIL.Quasar.CA is identified as a Trojan-type threat. Trojans are malicious programs that can cause harm to your computer system by allowing unauthorized access, stealing data, or disrupting system operations. The name Trojan.MSIL.Quasar.CA itself suggests it's a type of malware designed to infiltrate and potentially damage computer systems. Understanding that Trojans are often disguised as legitimate software makes it vital to be cautious when downloading and installing programs from the internet.
How Trojan.MSIL.Quasar.CA Operates
Trojan.MSIL.Quasar.CA, like other Trojans, operates by exploiting system vulnerabilities or social engineering tactics to gain unauthorized access to a computer system. Once inside, it can perform a variety of malicious activities, including but not limited to, data theft, installation of additional malware, or even allowing remote access to the attacker. The specifics of its operation can vary, but the end goal is typically to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs and icons appearing on your desktop. You might also notice changes in your browser settings or unexpected pop-ups and advertisements. Since Trojans can be designed to operate stealthily, some infections might only be discovered through the use of antivirus or anti-malware scans.
How to Remove Trojan.MSIL.Quasar.CA
- Boot into Safe Mode with Networking: This will limit the malware's ability to operate and provide a more controlled environment for removal.
- Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full system scan. This can help identify and remove all components of the Trojan.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall anything that looks suspicious or unfamiliar. Be cautious, as legitimate programs might be masquerading as malware.
- Reset Your Browser Settings: If your browser has been affected, resetting it to its default settings can help remove any malicious extensions or changes made by the Trojan. This applies to browsers like Chrome, Firefox, and Edge.
- Reboot and Re-scan: After taking the above steps, reboot your system and perform another full scan to ensure that all malware components have been removed.
Conclusion
Dealing with a Trojan.MSIL.Quasar.CA infection requires a methodical approach to ensure complete removal and to prevent future infections. By understanding the nature of the threat and following the steps outlined for removal, you can significantly improve your system's security. It's also important to adopt preventive measures, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with emails and downloads from unknown sources. Remember, vigilance and proactive security practices are key to protecting your digital environment.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Quasar.CA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
2386f6fe79f060e2ba7617160dae16b6
SHA1:
1408cacef37dd1bd75d1b24762e74041752d1339
File Size:
1.58 MB, 1581056 bytes
|
|
MD5:
33e81d12c53a6c963472ff42b243927c
SHA1:
66e89ca7806484b7c22f5a6bd7593b314c9f4640
SHA256:
AEF7041EABDC0860AA58C325D28F4AD4955EF2218EDC85EB1C55A05D26D8C335
File Size:
3.46 MB, 3458048 bytes
|
|
MD5:
e31fc3ab6aef15665e61c28dd6ed8d89
SHA1:
3da160813239a04a629ef1bafd0579c5ddc2682c
SHA256:
8A59BC6C1E0284A98477500E17B27C343F502359434982D4ADC8F2B50B0DBD3F
File Size:
3.27 MB, 3266048 bytes
|
|
MD5:
2f1200e8871a3267baa9addfe9d42bff
SHA1:
6639a2996f27c5c7b6f9fe08fd79c45055415748
SHA256:
B3BEAE333D3FC3481A899B1F06A6E9358F211695B4858BE2117DB9FF96FBFC2C
File Size:
1.94 MB, 1942528 bytes
|
|
MD5:
e5ba7a9b1a34751b2e46691cc7311a8f
SHA1:
610b5356f075399dfb5c4912d3365062d6482d8d
SHA256:
66EB4AEF51E75BCB1C6DEC5592E2F1B9513957886244B56B0AFBF96D76B1276A
File Size:
3.27 MB, 3266048 bytes
|
Show More
|
MD5:
c9a14d77646f5dab403d90c4e2620119
SHA1:
da8974aa69664adae688bf392667d97b6a2f714c
SHA256:
AFBC6BC1BA2F43FAC34D21932BF3C4E5108C4D87E053E3BB302EA60D9DCD81B4
File Size:
2.07 MB, 2072541 bytes
|
|
MD5:
bd4dcbdfdb5fdc1f95bd1168f166153a
SHA1:
9db60cf0f8a8b88d3c4601df25963536aaeb1884
SHA256:
902BEA9E4AEEED4E0B5D30A9CBCC6F9F1FC687B79C3FDDE8258B94B410D1797A
File Size:
3.27 MB, 3267584 bytes
|
|
MD5:
f51eef83782c53e53074f50f169e0512
SHA1:
909ece86e3b8cc51800d02c7eef82fae2f2d8acc
SHA256:
BF04961561EF241B343397B1771A767B369A7D575BAE2A7F6CABC6707AC7CF54
File Size:
1.85 MB, 1849856 bytes
|
|
MD5:
ca23a01a5b0582fd4ab56f8df831df0e
SHA1:
6229c3678f038a84ee1b141f012286c6f4bebdc5
SHA256:
F999E24E3146F4D43FBEB38D6B3A3ED5D0CE90E3FB85EDF826E6922078EC08F3
File Size:
3.27 MB, 3266048 bytes
|
|
MD5:
6398e36e21a3a2b58c1cf9d7fe3ed6ab
SHA1:
572234120f903109d004a4219f7ca92948bc63e7
SHA256:
B8AEF10F4C19640D2EA84163643C0E579AE38A379421AE897B9D777E492C017D
File Size:
3.27 MB, 3266048 bytes
|
|
MD5:
dc5e9e895da0330ef2029d348b9de2c1
SHA1:
db5de3a44427fe1f378a52ef6533d1884098fb04
SHA256:
181D9CE670525E3D2B67C0F99D08F82698E98BAD607600C4E0D38A253D5E8C27
File Size:
1.82 MB, 1815480 bytes
|
|
MD5:
5af92feff889a60ee58e8d7c3f0fa8b5
SHA1:
1e1e3ba5984d1fa8c7cd48f6a6bc23eb49925c82
SHA256:
F2D933E38B04F9DFA1FE6EC8DA498BBC380F65706FBFCAE8E8ABD2AB96745EF1
File Size:
3.27 MB, 3265536 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 security information
- File has exports table
- File has TLS information
- File is .NET application
- File is 32-bit executable
- File is 64-bit executable
- File is either console or GUI application
Show More
- 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)
- 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 |
|---|---|
| Assembly Version |
|
| Company Name |
|
| File Description |
|
| File Version |
|
| Internal Name |
|
| Legal Copyright |
|
| Legal Trademarks |
|
| Original Filename |
|
| Product Name |
|
| Product Version |
|
File Traits
- .NET
- Agile.net
- CryptUnprotectData
- Fody
- HighEntropy
- No CryptProtectData
- ntdll
- Run
- VirtualQueryEx
- WriteProcessMemory
Show More
- 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: | 14,560 |
|---|---|
| Potentially Malicious Blocks: | 307 |
| Whitelisted Blocks: | 14,252 |
| Unknown Blocks: | 1 |
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0
x
0
0
x
0
x
0
0
0
x
x
0
x
0
x
0
0
0
0
x
x
x
x
0
0
0
x
x
x
x
0
0
0
0
x
0
0
x
x
0
x
x
0
x
x
x
x
0
x
x
x
x
0
x
x
0
x
x
x
x
0
x
0
x
0
x
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
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0
0
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0
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0
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0
0
0
0
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0
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0
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0
0
0
0
0
0
...
Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - 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.- MSIL.Mardom.SF
- MSIL.Quasar.B
- MSIL.Quasar.CA
- MSIL.Quasar.CB
- MSIL.Spy.RC
Show More
- MSIL.Spy.RCB
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:\users\user\appdata\local\temp\rarsfx0\0c3ec305-c0b2-settingsmanager.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rarsfx0\0c3ec305-c0b2-settingsmanager.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\rarsfx0\__tmp_rar_sfx_access_check_2146250 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rarsfx0\minecraftmodsphoto.jpg | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rarsfx0\minecraftmodsphoto.jpg | Synchronize,Write Attributes |
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 |
|---|---|
| Syscall Use |
Show More
|
| User Data Access |
|
| Other Suspicious |
|
| Anti Debug |
|
| Encryption Used |
|
| Keyboard Access |
|
