Trojan.Downloader.Gen.UA
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: | 19,878 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 2 |
| First Seen: | June 14, 2026 |
| Last Seen: | September 18, 2026 |
| OS(es) Affected: | Windows |
Trojan.Downloader.Gen.UA is a Trojan horse program that targets Windows computers and is classified as a high-risk threat. Its primary purpose is to secretly download and install additional malicious software onto an infected machine, often without the user ever noticing. Because it tends to disguise itself as legitimate system files, it can be difficult for an average user to identify without the help of dedicated security tools.
Table of Contents
What Trojan.Downloader.Gen.UA Does
Once active on a system, Trojan.Downloader.Gen.UA runs quietly in the background, avoiding obvious signs of activity. Its main job is to connect to remote sources and pull down other malicious payloads, which can include additional Trojans, spyware, ransomware, or other unwanted programs. In some cases, this threat may also attempt to give attackers deeper access to the compromised system, potentially allowing them to manipulate files, monitor activity, or issue further commands remotely. Samples associated with this detection have also been observed mimicking legitimate-looking Windows components, which helps the threat blend in and avoid suspicion during casual inspection.
How It Usually Gets Onto Computers
Trojan.Downloader.Gen.UA typically spreads through deceptive methods rather than self-replication. Common infection paths include:
- Downloading software or files from untrustworthy or compromised websites
- Opening email attachments from unknown or unverified senders, including files disguised with extensions such as .exe, .pif, .avi, or even image formats like .jpg
- Exploiting unpatched security vulnerabilities in the operating system or installed software
Because it relies on stealth installation, users often have no indication that the Trojan has been placed on their system until unusual behavior appears or a security scan flags it.
Risks for the User
The presence of Trojan.Downloader.Gen.UA on a computer poses serious risks. Since its core function is to fetch and install further malware, an infected machine can quickly become a gateway for multiple threats at once. This can lead to significant performance degradation, data theft, financial loss, unauthorized remote access, or a complete compromise of the system. Given its danger level, users should treat any detection of this Trojan as a serious security incident requiring prompt attention.
Signs of Infection
Because this Trojan is designed to operate silently, visible symptoms may be subtle or absent. However, typical warning signs associated with downloader Trojans in general can include unexpected slowdowns, unusual network activity, unfamiliar programs appearing on the system, increased CPU or disk usage without a clear cause, and security software being unexpectedly disabled or unable to update.
How to Stay Protected
To reduce the risk of infection, users should keep their operating system and all installed software fully updated to close known security vulnerabilities. Avoid downloading programs from unverified websites and never open email attachments from unknown or unexpected senders, even if the file names appear harmless. Maintaining regular backups of important data, using a reputable and updated security solution, and practicing caution when browsing or installing new software are all essential steps toward keeping Windows systems safe from threats like Trojan.Downloader.Gen.UA.
Analysis Report
General information
| Family Name: | Trojan.Downloader.Gen.UA |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
50ecfd0f1c4938ef9c7ff3cca5383237
SHA1:
c99073ca3b4a41c18fa97d7aab7d3f0b80d6e2cd
SHA256:
C208F5D789D03EED155AD1A9F74036C4CAB0FE03B8E6C37FF421896CE430D5DA
File Size:
165.97 KB, 165968 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File has exports table
- File has TLS information
- File is 64-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)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
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 |
|---|---|
| Company Name | Microsoft Corporation |
| Company Short Name | Microsoft |
| File Description | Microsoft Edge Embedded Browser WebView Loader |
| File Version | 1.0.2903.40 |
| Internal Name | WebView2Loader.dll |
| Last Change | 3a25f98b1e044e422b0f5569696995227aae7536 |
| Legal Copyright | Copyright Microsoft Corporation. All rights reserved. |
| Official Build | 1 |
| Original Filename | WebView2Loader.dll |
| Product Name | Microsoft Edge Embedded Browser WebView Loader |
| Product Short Name | Microsoft Edge Embedded Browser WebView Loader |
| Product Version | 1.0.2903.40 |
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 |
|---|---|---|
| Microsoft Corporation | Microsoft Code Signing PCA 2011 | Hash Mismatch |
File Traits
- dll
- 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: | 562 |
|---|---|
| Potentially Malicious Blocks: | 18 |
| Whitelisted Blocks: | 544 |
| Unknown Blocks: | 0 |
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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