Trojan.Downloader.Agent.TJ
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: | 14,363 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 221 |
| First Seen: | April 25, 2022 |
| Last Seen: | July 8, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.Agent.TJ indicates that your system has been compromised by a potentially malicious threat. This type of threat is categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. The purpose of this report is to provide you with general guidance on how to understand and remove the Trojan.Downloader.Agent.TJ threat from your system.
Table of Contents
What Is Trojan.Downloader.Agent.TJ?
Trojan.Downloader.Agent.TJ is a type of malware that is designed to download and install additional malicious software on your system. The term "Trojan" refers to the fact that this malware often disguises itself as legitimate software, making it difficult to detect. The "Downloader" component suggests that this malware is capable of downloading and installing other malicious programs, which can lead to a range of problems, including data theft, system crashes, and compromised security.
How Trojan.Downloader.Agent.TJ Operates
Malware like Trojan.Downloader.Agent.TJ typically operates by exploiting vulnerabilities in your system or by tricking you into installing it. Once installed, it can download and install additional malware, which can include keyloggers, ransomware, and other types of malicious software. This malware can also communicate with its creators, allowing them to remotely control your system and steal sensitive information.
Symptoms of Infection
Systems infected with Trojan.Downloader.Agent.TJ may exhibit a range of symptoms, including slow system performance, frequent crashes, and unusual network activity. You may also notice that your system is behaving erratically, or that you are being redirected to unwanted websites. In some cases, you may not notice any symptoms at all, which is why it's essential to regularly scan your system for malware.
- Unexplained system crashes or freezes
- Slow system performance
- Unusual network activity
- Redirects to unwanted websites
- Pop-ups or other unwanted advertisements
How to Remove Trojan.Downloader.Agent.TJ
- Boot your system in Safe Mode with Networking to prevent the malware from loading
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and remove any detected threats
- Uninstall any suspicious programs or software that you don't recognize
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings
- Reboot your system and perform another scan to ensure that the malware has been fully removed
Conclusion
Removing Trojan.Downloader.Agent.TJ from your system requires careful attention to detail and a thorough understanding of how malware operates. By following the steps outlined in this report, you should be able to remove the threat and restore your system to a safe and secure state. Remember to always use reputable anti-malware tools and to regularly scan your system for malware to prevent future infections. Additionally, be cautious when installing software and avoid clicking on suspicious links or downloading attachments from unknown sources.
Analysis Report
General information
| Family Name: | Trojan.Downloader.Agent.TJ |
|---|---|
| Signature status: | Root Not Trusted |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d266f7e6379617d79922601953768162
SHA1:
9788af228b6aabbb89ee61d7cca0631d3a1cac54
SHA256:
5B6455F57FFB4DF33BCA737EB0C6FA366F28835198F733AD39CE8B9A17D172CC
File Size:
2.02 MB, 2016416 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 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 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 | For additional details, visit PortableApps.com |
| Company Name | PortableApps.com |
| File Description | PortableApps.com Installer |
| File Version | 3.0.13.0 |
| Internal Name | PortableApps.com Installer |
| Legal Copyright | 2007-2014 PortableApps.com, PortableApps.com Installer 3.0.13.0 |
| Legal Trademarks | PortableApps.com is a registered trademark of Rare Ideas, LLC. |
| Original Filename | PortableApps.comInstaller_3.0.13.paf.exe |
| Portable Apps.com App I D | PortableApps.comInstaller |
| Portable Apps.com Format Version | 3.0.13 |
| Portable Apps.com Installer Version | 3.0.13.0 |
| Product Name | PortableApps.com Installer |
| Product Version | 3.0.13.0 |
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 |
|---|---|---|
| Rare Ideas, LLC | UTN-USERFirst-Object | Root Not Trusted |
File Traits
- nosig nsis
- No Version Info
- x86
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\nsg4043.tmp\langdll.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsq4032.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete |
