Trojan.Cosmu
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: | 20,555 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 720 |
| First Seen: | April 20, 2010 |
| Last Seen: | July 21, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Cosmu on your system indicates a potential security threat that requires immediate attention. Trojans are a type of malware that can cause significant harm to your computer and compromise your personal data. In this report, we will provide you with an overview of the threat, its operating methods, symptoms of infection, and step-by-step guidance on how to remove it from your system.
Table of Contents
What Is Trojan.Cosmu?
Trojan.Cosmu is a detected threat that falls under the category of Trojan-type malware. 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 name "Trojan.Cosmu" suggests that it may be a variant of a known Trojan, but without further information, it's difficult to determine its exact origin or purpose.
How Trojan.Cosmu Operates
Trojan.Cosmu, like other Trojans, is designed to operate stealthily, avoiding detection by security software and system administrators. Once it has gained access to a system, it can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing a backdoor for remote access. The exact operating methods of Trojan.Cosmu are unknown, but it's likely that it uses common Trojan tactics, such as exploiting vulnerabilities or using social engineering to trick users into installing it.
Symptoms of Infection
Identifying the symptoms of a Trojan infection can be challenging, as they often mimic legitimate system behavior. However, some common signs of infection include unexpected system crashes, slow performance, and unusual network activity. You may also notice that your system is behaving erratically, or that your personal data is being accessed or transmitted without your consent. If you suspect that your system has been infected with Trojan.Cosmu, it's essential to take immediate action to remove it.
- Unexplained system crashes or freezes
- Slow system performance or responsiveness
- Unusual network activity or data transmission
- Erratic system behavior or unexpected pop-ups
How to Remove Trojan.Cosmu
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove any malware components.
- Uninstall any suspicious programs or applications that may be related to the 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 a follow-up scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Cosmu from your system requires careful attention to detail and a thorough understanding of the malware's operating methods. By following the steps outlined in this report, you can help to ensure that your system is secure and free from infection. Remember to always use reputable anti-malware tools and to stay vigilant when browsing the internet or installing new software. If you're unsure about any aspect of the removal process, consider seeking the advice of a qualified IT professional or security expert.
Aliases
7 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| Sophos | Mal/Generic-L |
| Panda | Trj/Spammer.AOK |
| McAfee-GW-Edition | Trojan.Cosmu.obd |
| McAfee+Artemis | Artemis!DEE64AB7FA00 |
| Kaspersky | Trojan.Win32.Cosmu.obd |
| AVG | Cryptic.AP |
| AntiVir | TR/Cosmu.obd |
File System Details
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | MicrosoftSafety.exe | 504073a8f6acfa496db99da57cc27708 | 49 |
| 2. | WinDefender.exe | a9e1d2da0568d028dba7de3c78becb08 | 38 |
| 3. | 0FILIM.exe | a9c5a072eb3aea020d66af5d858306fd | 38 |
| 4. | 0.exe | b709362becd2b2c14300a7356471767d | 5 |
| 5. | FILIM.exe | 7f6d6e8c226bb5f4366edea6672bc0a7 | 2 |
| 6. | yvvumsp.exe | dee64ab7fa00ee9d2315798aba8a98f3 | 0 |
| 7. | file.exe | 2b98b32c40e3f1b05ef0963b217e366b | 0 |
Registry Details
Analysis Report
General information
| Family Name: | Trojan.Cosmu |
|---|---|
| Packers: | UPX |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
6c3321a4331666282cdd86f05bd5e97a
SHA1:
de0f494542634a816b92b6c7405d9ee42243b1e8
SHA256:
2EE84A5C0E3EC0E13A5DD1F13A7547C3B4B61237C70E2CC621DF21E367BF8FC0
File Size:
643.39 KB, 643389 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 been packed
- 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
- 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 |
|---|---|
| Compiled Script | AutoIt v3 Script: 3, 3, 6, 1 |
| File Version | 3, 3, 6, 1 |
File Traits
- .UPX
- 2+ executable sections
- Autoit
- big overlay
- HighEntropy
- packed
- upx
- UPX!
- 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: | 2,313 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 2,313 |
| 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.- Autoit
- Bitcoinminer.BDA
- Bitcoinminer.BDB
- Bitcoinminer.DJE
- Rugmi.T
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 |
|
| User Data Access |
|
