Threat Database Stealers Trojan.MSIL.Stealer.OG

Trojan.MSIL.Stealer.OG

By CagedTech in Stealers, Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: July 9, 2024
Last Seen: January 15, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Stealer.OG 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 operation, symptoms, and most importantly, steps to remove it from your computer.

What Is Trojan.MSIL.Stealer.OG?

Trojan.MSIL.Stealer.OG is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users by appearing as legitimate software. The name itself suggests it is a type of stealer, implying its primary function is to steal sensitive information from the infected system. Trojans are known for their versatility and can be used for a variety of malicious purposes, including data theft, spyware activities, and as a backdoor for other malware.

How Trojan.MSIL.Stealer.OG Operates

The operation of Trojan.MSIL.Stealer.OG, like many Trojans, likely involves exploiting vulnerabilities in software or tricking users into executing the malware. Once installed, it can operate in stealth mode, hiding from the user and security software. Its primary goal is to collect sensitive information such as login credentials, financial data, or personal identifiable information, which can then be transmitted to the attackers. The malware may also download additional malicious components or create backdoors for remote access, further compromising the security of the infected system.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Stealer.OG infection can be subtle and may not always be immediately apparent. Common signs include unexpected system crashes, slow performance, and unusual network activity. Users may also notice unfamiliar programs or toolbars in their browsers, changes in browser settings, or frequent pop-up ads. In some cases, the malware might trigger security alerts from antivirus software, although sophisticated malware can evade detection for a period.

How to Remove Trojan.MSIL.Stealer.OG

  1. Boot into Safe Mode with Networking: This will limit the malware's ability to run and make it easier to remove. Restart your computer, and as it boots up, press the F8 key repeatedly until you see the Advanced Boot Options menu. Select Safe Mode with Networking and press Enter.
  2. Perform a Full Scan with a Reputable Tool: Use an anti-malware tool like SpyHunter to scan your system thoroughly. Ensure the tool is updated with the latest definitions before running the scan. This will help detect and remove the Trojan and any associated malware.
  3. Uninstall Suspicious Programs: Go through the list of installed programs on your computer and uninstall any that you do not recognize or that were installed around the time the malware was detected.
  4. Reset Your Browser Settings: For browsers like Chrome, Firefox, or Edge, reset the settings to their defaults. This can help remove any malicious extensions or changes made by the malware. You can usually find this option in the browser's settings or preferences menu.
  5. Reboot and Re-scan: After completing the above steps, restart your computer in normal mode and perform another full scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Stealer.OG requires careful and immediate action to prevent further damage. By following the steps outlined above, you should be able to eliminate the threat from your system. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong, unique passwords, and being cautious when clicking on links or downloading attachments from unknown sources. Remember, vigilance and the right security tools are key to protecting your digital life.

Analysis Report

General information

Family Name: Trojan.MSIL.Stealer.OG
Signature status: No Signature

Known Samples

MD5: 6e0a9257eaf6e3585328e2cce6c4434b
SHA1: 6223f1c4df6a1e9fbd8fd17ab3fa51a9355a3540
SHA256: EC3FEA4E00EB0A4712A869B52EACCE7EFBCDCC9B958B8F46066E6F8969C4F79C
File Size: 16.38 KB, 16384 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI 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)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description SharpCookieMonster
File Version 1.0.0.0
Internal Name SharpCookieMonster.exe
Legal Copyright Copyright © 2020
Original Filename SharpCookieMonster.exe
Product Name SharpCookieMonster
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 10
Potentially Malicious Blocks: 7
Whitelisted Blocks: 3
Unknown Blocks: 0

Visual Map

x x x x x x 0 0 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • MSIL.Stealer.OG

Files Modified

File Attributes
\device\namedpipe Generic Read,Write Attributes
\device\namedpipe Generic Write,Read Attributes

Windows API Usage

Category API
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges
Anti Debug
  • NtQuerySystemInformation
Process Shell Execute
  • CreateProcess

Shell Command Execution

"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" "https://www.google.com" --headless --user-data-dir="C:\Users\Uczqmiag\AppData\Local\Google\Chrome\User Data" --remote-debugging-port=9142

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