Trojan.MSIL.Stealer.ATB
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: | 39 |
| First Seen: | July 1, 2023 |
| Last Seen: | September 10, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Stealer.ATB indicates that your system has been compromised by a malicious threat. This type of malware is designed to steal sensitive information from infected computers, posing a significant risk to your personal data and online security. It is essential to take immediate action to remove the threat and prevent further damage.
Table of Contents
What Is Trojan.MSIL.Stealer.ATB?
Trojan.MSIL.Stealer.ATB is a type of Trojan horse malware, which is a malicious program that disguises itself as legitimate software. The name "Trojan.MSIL.Stealer.ATB" suggests that it is a stealer-type Trojan, designed to steal sensitive information such as login credentials, credit card numbers, and other personal data. The "MSIL" part of the name may indicate that the malware is written in Microsoft Intermediate Language, which is a programming language used by the .NET framework.
How Trojan.MSIL.Stealer.ATB Operates
Trojan.MSIL.Stealer.ATB operates by infiltrating a victim's computer system, often through exploited vulnerabilities or social engineering tactics. Once inside, the malware can spread to other parts of the system, gathering sensitive information and transmitting it to its command and control servers. The malware may also install additional malicious components, such as keyloggers or screen scrapers, to gather more information. The ultimate goal of the malware is to profit from the stolen data, either by selling it on the black market or using it for malicious activities such as identity theft or financial fraud.
Symptoms of Infection
Systems infected with Trojan.MSIL.Stealer.ATB may exhibit a range of symptoms, including unusual system behavior, slow performance, and unexpected pop-ups or alerts. You may also notice that your browser is redirecting to unfamiliar websites or that your search results are being hijacked. In some cases, the malware may cause system crashes or freezes, or even lead to the loss of sensitive data. If you suspect that your system has been infected, it is crucial to take immediate action to remove the threat and prevent further damage.
How to Remove Trojan.MSIL.Stealer.ATB
- Restart your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove the malware.
- Uninstall any suspicious programs or applications that may be related to the malware, and remove any associated files or folders.
- 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 another full scan with your anti-malware tool to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.MSIL.Stealer.ATB from your system requires a combination of technical expertise and caution. By following the steps outlined above, you can help to ensure that the malware is completely removed and that your system is secure. However, prevention is always the best approach, and taking steps to protect your system from malware in the first place, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when clicking on links or downloading attachments, can help to prevent infections like Trojan.MSIL.Stealer.ATB in the future.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Stealer.ATB |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
f677bd0387b9b0d89e51d5550a4e7f83
SHA1:
89cab49cf3b51dc99018e5e246e6c59eb3ebfd39
SHA256:
12069B224AA746E30E52E85D308DD119C14FB8D7C44933682CCAF83AA187E410
File Size:
3.66 MB, 3655232 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 .NET application
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- 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 |
|---|---|
| Assembly Version | 2023.9.248.0 |
| Comments | Cloudflare WARP |
| Company Name | Cloudflare |
| File Description | Cloudflare WARP |
| File Version | 2023.9.248.0 |
| Internal Name | Poanbs.exe |
| Legal Copyright | (c) 2021, Cloudflare Inc. |
| Original Filename | Poanbs.exe |
| Product Name | Cloudflare WARP |
| Product Version | 2023.9.248.0 |
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 |
|---|---|---|
| Cloudflare, Inc. | DigiCert Trusted Root G4 | Hash Mismatch |
File Traits
- .NET
- HighEntropy
- x64
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: | 3,152 |
|---|---|
| Potentially Malicious Blocks: | 298 |
| Whitelisted Blocks: | 1,055 |
| Unknown Blocks: | 1,799 |
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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| User Data Access |
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| Other Suspicious |
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| Encryption Used |
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| Process Terminate |
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| Anti Debug |
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