Worm.Retadup
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: | 2,406 |
| Threat Level: | 50 % (Medium) |
| Infected Computers: | 16,074 |
| First Seen: | July 24, 2009 |
| Last Seen: | January 16, 2026 |
| OS(es) Affected: | Windows |
Table of Contents
Aliases
3 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| F-Secure | Trojan-Downloader.Win32.Agent.bxx |
| eSafe | suspicious Trojan/Worm |
| Avast | Win32:Agent-JJU |
File System Details
Worm.Retadup may create the following file(s):
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | atzrdada.dll | 7cf5c834ab51f04ad1069258cd99eb95 | 0 |
Directories
Worm.Retadup may create the following directory or directories:
| %HOMEDRIVE%\newcpuspeedcheck |
| %HOMEDRIVE%\streamer |
Analysis Report
General information
| Family Name: | Worm.Retadup |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
30ec7cfb529ba6a701d17e337c1e61b3
SHA1:
8b3cd71afe5fd68e26c632fe2ac24799339b4ac7
SHA256:
77983E71F989FA48FF343D9A30872E44B99F676738EBCD8724A5C69049D15C58
File Size:
983.04 KB, 983040 bytes
|
|
MD5:
c46ada598ad283ab844942d51f58f8ef
SHA1:
38b06e3b157fc565e706f7ac6889d7997f65056f
SHA256:
360C50A4528F06A8AC843CB8F3D327DC70B53CAF910CA642EA12A65F188790B3
File Size:
940.50 KB, 940495 bytes
|
|
MD5:
d88dec187f49bdec53b5c1be368dd8d5
SHA1:
734dd1126c18991d8912c94ede86914f38cc7d13
SHA256:
DF510B0F83F3B481D012558A0919C9B1F8AA61583127F93FC7FB8A9ABB2F3650
File Size:
868.35 KB, 868352 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have relocations information
- File is 32-bit executable
- File is 64-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)
Show More
- 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 is the AutoIt script parser built for Ultra Virus Killer |
| Company Name | Carifred |
| File Description | Ultra Virus Killer AutoIt script parser |
| File Version | 1.0.0.0 |
| Internal Name | AutoItRun |
| Legal Copyright | Carifred © 2010 - 2016 |
| Legal Trademarks | Carifred.com |
| Original Filename | AutoItRun.exe |
| Product Name | Ultra Virus Killer |
| Product Version | 10.0.0.0 |
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 |
|---|---|---|
| Alfredo Anibal Santos Silva | COMODO RSA Code Signing CA | Hash Mismatch |
| Alfredo Anibal Santos Silva | COMODO RSA Code Signing CA | Hash Mismatch |
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: | 4,157 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 4,157 |
| Unknown Blocks: | 0 |
Visual Map
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0
0
...
Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - 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.- Autoit
- Delf.Q
- Filecoder.DF
- Philadelphia.A
- Philadelphia.B
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:\program files\common files\system\symsrv.dll | 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\windows nt\currentversion\windows::appinit_dlls | C:\PROGRA~1\COMMON~1\System\symsrv.dll | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\windows nt\currentversion\windows::loadappinit_dlls | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\windows nt\currentversion\windows::requiresignedappinit_dlls | 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 |
|---|---|
| Syscall Use |
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| Anti Debug |
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| User Data Access |
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