Trojan.Delf.VH
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) |
| First Seen: | July 24, 2009 |
| Last Seen: | October 25, 2026 |
| OS(es) Affected: | Windows |
Trojan.Delf.VH is a Windows-based Trojan horse classified as a high-risk threat, with a danger level that places it firmly among malware capable of serious, lasting damage to an infected system. First identified in 2009, this threat continues to resurface in various forms, meaning computer users today still need to be aware of how it operates and how to avoid it.
Table of Contents
What Trojan.Delf.VH Does
Once it finds its way onto a system, Trojan.Delf.VH installs itself quietly and runs in the background without displaying any obvious signs to the user. It is designed to disguise itself as a legitimate program, sometimes masquerading under file descriptions or product names meant to resemble ordinary utility software, which helps it avoid suspicion. Behind this disguise, the Trojan can carry out a range of malicious functions, including gathering information about the infected computer, such as its user and computer name. More critically, Trojan.Delf.VH may allow remote attackers to gain extensive control over the compromised machine. This can include covertly deleting files, installing additional unwanted or malicious software, and otherwise manipulating the system without the owner's knowledge or consent.
How It Usually Gets Onto Computers
Trojan.Delf.VH typically spreads by exploiting system vulnerabilities and security flaws. It is often bundled with software downloaded from malicious or compromised websites, or delivered as an email attachment from untrusted or unknown senders. These attachments can take the form of executable files, but attackers may also disguise them using other file extensions, including formats that users would not normally associate with danger, such as image or video file types. This disguise is intended to trick users into opening the file, believing it to be harmless.
Risks for the User
Because Trojan.Delf.VH can grant attackers significant control over an infected system, the risks are considerable. Users may face data loss through deleted files, further infections from additional malware installed without consent, and potential exposure of personal or system information gathered by the Trojan. Since it operates silently, victims may remain unaware of the intrusion for extended periods, giving attackers ample time to misuse the compromised system.
Signs of Infection
Trojans like Trojan.Delf.VH are built to avoid detection, so obvious symptoms are often absent. However, users should watch for unusual system behavior, such as unexpected slowdowns, unfamiliar processes running in the background, files disappearing without explanation, new programs appearing that were not intentionally installed, or unusual network activity. Since this threat does not carry a legitimate digital signature, security tools may flag it as unsigned or suspicious software.
How to Stay Protected
To reduce the risk of infection, users should avoid downloading software from unfamiliar or untrustworthy websites and refrain from opening email attachments from unknown or unexpected sources, regardless of the file extension shown. Keeping the Windows operating system and installed applications updated with the latest security patches helps close the vulnerabilities that threats like Trojan.Delf.VH rely on for silent installation. Running reputable, up-to-date security software and performing regular system scans can help detect and remove such threats before they cause significant harm. Maintaining regular backups of important files also ensures that data can be recovered even if a system becomes compromised.
Analysis Report
General information
| Family Name: | Trojan.Delf.VH |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
1b62153c0aaa2f7b17d2706df8d097f0
SHA1:
1f207d72b59ec952b4f727a6fd225eb224cccb84
SHA256:
DD24EC1DA7941585BBB5C87C7DC39B130233E6D72BA2921DE3C68D856B397B66
File Size:
781.82 KB, 781824 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 security information
- File has TLS 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
Show 2 more
- 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 | Prerelease build |
| Company Name | Alexander Yelin |
| File Description | Diagnostics Utility for Inpro(R) IDC BXL/VR Modems |
| File Version | 1.0.2.33 |
| Internal Name | Idcdiag |
| Legal Copyright | Copyright (C) 2001-2003 by Alexander Yelin |
| Original Filename | IDCDiag |
| Product Name | IDC Modems Diagnostics |
| Product Version | Version 1.0.2 |
File Traits
- 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: | 2,225 |
|---|---|
| Potentially Malicious Blocks: | 1 |
| Whitelisted Blocks: | 2,150 |
| Unknown Blocks: | 74 |
Visual Map
... Data truncated? - 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.- Banload.XT
- BruteForce.X
- IstBar.X
- Kryptik.BDEA
- Trojan.Injector.Gen.GYD
Show 1 more
- Trojan.Kryptik.Gen.FZB
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 |
|---|---|
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\wow6432node\microsoft\tracing::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\tapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
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 |
|---|---|
| User Data Access |
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