Worm.Gamarue.B
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: | 50 % (Medium) |
| Infected Computers: | 89 |
| First Seen: | October 10, 2011 |
| Last Seen: | November 9, 2025 |
| OS(es) Affected: | Windows |
The detection of Worm.Gamarue.B on your system indicates a potential security threat that requires immediate attention. This worm is a type of malware that can cause significant damage to your computer and compromise your personal data. In this report, we will provide an overview of Worm.Gamarue.B, its operating methods, symptoms of infection, and steps to remove it from your system.
Table of Contents
What Is Worm.Gamarue.B?
Worm.Gamarue.B is a type of malware that belongs to the broader category of worms. Worms are self-replicating programs that can spread from system to system without the need for human interaction. They often exploit vulnerabilities in operating systems or applications to gain access to a computer. The name Worm.Gamarue.B suggests that it is a variant of a known worm, but the specifics of its origin and behavior are not immediately clear.
How Worm.Gamarue.B Operates
Worms like Worm.Gamarue.B typically operate by exploiting weaknesses in system security to gain unauthorized access. Once inside, they can spread to other parts of the system, potentially causing damage, stealing data, or installing additional malware. They may also attempt to spread to other computers via network connections, email, or infected software downloads. The exact mechanisms used by Worm.Gamarue.B are not specified, but it is likely to follow similar patterns of behavior observed in other worms.
Symptoms of Infection
Symptoms of a Worm.Gamarue.B infection can vary but may include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You might also notice changes in your internet settings or the presence of unwanted toolbars and extensions in your web browsers. In some cases, the infection might not display obvious symptoms, making it difficult to detect without proper scanning tools.
- Unexplained changes in system settings or files
- Appearance of unfamiliar programs or icons
- Increased network activity without obvious cause
- Difficulty in accessing certain system functions or files
How to Remove Worm.Gamarue.B
- Boot your computer in Safe Mode with Networking to limit the worm's ability to spread or cause further damage. This will also make it easier to remove.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the worm.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time of the infection.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any unwanted extensions or changes made by the worm.
- Reboot your computer and perform another full scan to ensure that all remnants of the worm have been removed.
Conclusion
Removing Worm.Gamarue.B from your system requires careful and thorough steps to ensure that all components of the malware are eliminated. It is crucial to act quickly to prevent further damage and potential data theft. After removal, consider taking additional security measures, such as updating your operating system and applications, using strong antivirus software, and practicing safe browsing habits to protect against future infections. Remember, vigilance and proactive security practices are key to maintaining a safe and secure computing environment.
Aliases
15 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| AVG | Generic_r.CBH |
| AntiVir | TR/Graftor.75972.1 |
| Sophos | Mal/Generic-S |
| BitDefender | Gen:Variant.Graftor.75972 |
| Avast | NSIS:MalOb-A [Trj] |
| McAfee | Artemis!01AF6B09B1C1 |
| AVG | Downloader.Generic12.STQ |
| Ikarus | Trojan.Win32.Spyeye |
| AhnLab-V3 | Spyware/Win32.Zbot |
| AntiVir | TR/Crypt.EPACK.Gen |
| Sophos | Mal/Rorpian-D |
| BitDefender | Trojan.Generic.KDV.386784 |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| Avast | Win32:MalOb-IC [Cryp] |
| F-Prot | W32/Rorpian.C.gen!Eldorado |
Analysis Report
General information
| Family Name: | Worm.Gamarue.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
42386b5d7be830d43b52ddb68daee954
SHA1:
f6869250c345298d3c7e87c971d8651d93c5e826
SHA256:
E7BCB24A447497517C8AB486C537821DC10CEC221237FA56131095E8930330C8
File Size:
5.82 MB, 5820416 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have resources
- File doesn't have security information
- File has exports table
- 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 Traits
- dll
- HighEntropy
- 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: | 607 |
|---|---|
| Potentially Malicious Blocks: | 14 |
| Whitelisted Blocks: | 593 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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 |
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| Process Shell Execute |
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| Anti Debug |
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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:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\f6869250c345298d3c7e87c971d8651d93c5e826_0005820416.,LiQMAxHB
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