Trojan.Agent.ABB
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: | 17,745 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 349 |
| First Seen: | July 12, 2021 |
| Last Seen: | October 2, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.ABB 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.
Table of Contents
What Is Trojan.Agent.ABB?
Trojan.Agent.ABB is identified as a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software but are designed to allow unauthorized access to a computer system. They can be used to steal sensitive information, install additional malware, or provide a backdoor for remote access by an attacker. The name "Trojan.Agent.ABB" suggests it is a variant of Trojan horse malware, but without more specific information, it's crucial to understand the general behavior of such threats to effectively combat them.
How Trojan.Agent.ABB Operates
Trojan.Agent.ABB, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading software from untrusted sources, opening malicious email attachments, or visiting compromised websites. Once installed, it can perform a variety of malicious actions, depending on its design. This can include data theft, keystroke logging, or even recruiting the infected computer into a botnet for distributed denial-of-service (DDoS) attacks or spamming.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common indicators include unusual system behavior, such as unexpected pop-ups, slow system performance, or unfamiliar programs appearing in the system tray. Sometimes, a Trojan might also cause issues with system stability, leading to crashes or freezes. Given the stealthy nature of these threats, regular system monitoring and the use of anti-malware software are crucial for early detection.
How to Remove Trojan.Agent.ABB
- Enter Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer and press the key to enter safe mode (this varies by operating system but is often F8 for Windows).
- Perform a Full Scan with a Reputable Tool: Use an anti-malware tool, such as SpyHunter, to scan your system for the Trojan and other potential threats. Ensure the tool is updated with the latest definitions for the best results.
- 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.
- Reset Your Browser: If your browser (such as Chrome, Firefox, or Edge) has been affected, resetting it can help remove any malicious extensions or settings that the Trojan may have altered. You can usually find this option in the browser's settings or preferences section.
- Reboot and Re-scan: After taking these steps, restart your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.Agent.ABB requires a combination of technical knowledge and the right tools. By understanding how Trojans operate and following the steps outlined above, you can effectively remove this threat from your system. Prevention is also key; being cautious with downloads, avoiding suspicious links, and keeping your operating system and software up to date can significantly reduce the risk of future infections. Remember, staying informed and proactive is crucial in the ongoing battle against malware and other cyber threats.
Analysis Report
General information
| Family Name: | Trojan.Agent.ABB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
cdaab6693f4827987b69661af683b0b5
SHA1:
161fc3ed51244a461970ff8097a1d6d6bda7654f
SHA256:
5D9EE25F93956B75221803C55FDA04F497FADFD605693841C424F378958D1285
File Size:
4.96 MB, 4961280 bytes
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MD5:
f15552aea3165475fd58350edd456a37
SHA1:
c26addb56f5dae01567f562f79048c0e588d80d2
SHA256:
2CA6163E4E62C330EC52D89712332E79D63A19DAD6BCF7B45C3E718C60E7C5D8
File Size:
943.60 KB, 943600 bytes
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MD5:
997df1930d3f8eea21d8a2f7397db0e7
SHA1:
66141e22c218d20b7b4fa96198219e844bf4ce0e
SHA256:
6D30B3F6B0C7B0EC1036A7D52BBE5DD5DD0D03649B15D7195889182ACC60A5EB
File Size:
4.99 MB, 4992845 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 doesn't have security information
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- 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 |
|---|---|
| Comments | This installation was built with Inno Setup. |
| Company Name |
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| File Description |
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| File Version |
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| Internal Name | Aidfile.exe |
| Legal Copyright | mitusoft. All rights reserved |
| Original Filename | Aidfile.exe |
| Product Name |
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| Product Version |
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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 |
|---|---|---|
| ZeruLight | ZeruLight | Self Signed |
File Traits
- 00 section
- 2+ executable sections
- HighEntropy
- imgui
- No Version Info
- 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.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.- Ursnif.AD
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\is-nnum2.tmp\_isetup\_setup64.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\is-nnum2.tmp\_isetup\_shfoldr.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\is-nnum2.tmp\isskin.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\is-nnum2.tmp\st.cjstyles | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\is-tgkfd.tmp\66141e22c218d20b7b4fa96198219e844bf4ce0e_0004992845.tmp | Generic Write,Read 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 |
|---|---|
| Process Manipulation Evasion |
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| Process Shell Execute |
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| Other Suspicious |
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| User Data Access |
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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:\Users\Kmwdjjmd\AppData\Local\Temp\is-TGKFD.tmp\66141e22c218d20b7b4fa96198219e844bf4ce0e_0004992845.tmp" /SL5="$130456,4638846,99840,c:\users\user\downloads\66141e22c218d20b7b4fa96198219e844bf4ce0e_0004992845"
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