Trojan.Stealer.FAV
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: | 72 |
| First Seen: | February 1, 2024 |
| Last Seen: | October 17, 2026 |
| OS(es) Affected: | Windows |
Trojan.Stealer.FAV is a dangerous information-stealing Trojan that targets Windows computers. Once it infiltrates a system, it operates quietly in the background while carrying out malicious tasks designed to compromise data, privacy, and overall system security. With a danger rating of 8 out of 10, this threat should be taken seriously by anyone who suspects it has found its way onto their PC.
Table of Contents
What Trojan.Stealer.FAV Does
Trojan.Stealer.FAV is built to run covertly, often without producing any visible symptoms that would tip off an average user. After installation, it can give remote attackers significant control over the infected machine. This may include the ability to delete files, install additional malicious software, and manipulate the system without the owner's knowledge or consent. As a stealer-type Trojan, its primary purpose is typically to harvest sensitive information stored on or entered into the infected computer, which can then be sent back to the attackers for exploitation or sale.
Because the program is not digitally signed and lacks the usual markers of legitimate software, such as version information or a resources section, it is designed to blend in and avoid easy detection by both users and some basic security checks.
How It Spreads
Trojan.Stealer.FAV commonly spreads by exploiting system vulnerabilities and security flaws. It is frequently distributed through software downloads from malicious or compromised websites, as well as through email attachments sent from untrusted or unknown sources. These attachments can be disguised as seemingly harmless files, including executables and, in some cases, files made to look like images or videos, in order to trick users into opening them. Once opened, the Trojan installs itself silently, without displaying prompts or warnings.
Risks to Users
The presence of Trojan.Stealer.FAV on a system poses serious risks. Because it can grant attackers extensive control over the infected machine, victims may face:
- Theft of personal, financial, or login information
- Installation of additional malware or unwanted programs
- Unauthorized deletion or modification of files
- Loss of privacy and control over the compromised system
- Potential use of the infected machine for further malicious activity
Signs of Infection
Because this Trojan is designed to run silently, infections can be difficult to notice through normal use. However, typical warning signs associated with stealer Trojans and similar threats may include unexpected slowdowns, unusual network activity, unfamiliar programs appearing on the system, changes to files or settings that the user did not make, and security tools being disabled or malfunctioning without explanation. Users should treat any of these symptoms as a reason for closer investigation.
How to Stay Protected
To reduce the risk of infection from threats like Trojan.Stealer.FAV, users should keep their operating system and all installed software fully updated to close known security vulnerabilities. Avoid downloading programs from untrusted or unofficial websites, and be cautious with email attachments, especially from unknown senders or unexpected messages. Files that appear to be executables, scripts, or disguised as images should be treated with suspicion. Maintaining regular backups of important data, using a reputable security solution with real-time protection, and practicing careful browsing habits can significantly lower the chances of falling victim to this type of Trojan.
Analysis Report
General information
| Family Name: | Trojan.Stealer.FAV |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
572ee28fd1a3482ec084f92714607df0
SHA1:
be417b80ba5519f6d9796379cb83c1f18eff5252
SHA256:
23188736FDAB496A921078B762FC70D72EC27D027AFB90E4DC82483FECB0D319
File Size:
872.45 KB, 872448 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have resources
- File doesn't have security information
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- 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
- 2+ executable sections
- 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.| Total Blocks: | 597 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 594 |
| Unknown Blocks: | 3 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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.- Bulz.WAP
- Trojan.Agent.Gen.FMI
