Home Malware Programs Trojans Delf Trojan

Delf Trojan

Posted: March 28, 2006

Threat Metric

Ranking: 5,213
Threat Level: 9/10
Infected PCs: 48,992
First Seen: July 24, 2009
Last Seen: March 7, 2025
OS(es) Affected: Windows

This spyware is a trojan; this means that it doesn't strive to make as many copies of it as possible and send them to many addresses, but concentrates on one single machine. Delf Trojan is able to give the hacker a remote access to the infected PC and a possibility of making many destructive actions. Some of these actions may seriously harm security and stability of the infected machine, that's why it's strongly recommended to remove this pest as soon as possible.

Delf Trojan

Aliases

Hider.QFR [AVG]W32/ZAccess.K [Fortinet]TrojanDropper:Win32/Sirefef.B [Microsoft]Virus/Win32.ZAccess.gen [Antiy-AVL]Packed.Generic.344 [Symantec]Win32/Sirefef.DA [NOD32]Virus [K7AntiVirus]Generic.dx!bd3j [McAfee]Agent_r.BEC [AVG]W32/ZAccess.K!tr [Fortinet]Rootkit.Win32.ZAccess [Ikarus]Virus/Win32.ZAccess [Antiy-AVL]TR/Conjar.187904.5 [AntiVir]TrojWare.Win32.Rootkit.ZAcces.HL [Comodo]Gen:Heur.Conjar.11 [BitDefender]
More aliases (1372)

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



C:\Users\<username>\AppData\Roaming\WHService\wh.exe File name: wh.exe
Size: 628.73 KB (628736 bytes)
MD5: 681605a644d93853b6dcad2fb0b759c0
Detection count: 8,762
File type: Executable File
Mime Type: unknown/exe
Path: C:\Users\<username>\AppData\Roaming\WHService\wh.exe
Group: Malware file
Last Updated: March 15, 2023
%APPDATA%\Hub Timer\hub.exe File name: hub.exe
Size: 621.05 KB (621056 bytes)
MD5: e28b8169e6766a795a6e0a4b1faece69
Detection count: 5,284
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Hub Timer
Group: Malware file
Last Updated: March 25, 2016
%APPDATA%\Java\Update\Download\Cache\jsheded.exe File name: jsheded.exe
Size: 373.76 KB (373760 bytes)
MD5: de2b3d20a8cf3fc7d75f73c3ee757148
Detection count: 354
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Java\Update\Download\Cache
Group: Malware file
Last Updated: July 22, 2013
C:\Users\<username>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Usermode.exe File name: Usermode.exe
Size: 6.56 MB (6567936 bytes)
MD5: 2adec0cae94520d5700c45c7a7b982e2
Detection count: 307
File type: Executable File
Mime Type: unknown/exe
Path: C:\Users\<username>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Usermode.exe
Group: Malware file
Last Updated: February 8, 2025
%TEMP%\pmsorg.exe File name: pmsorg.exe
Size: 57.85 KB (57856 bytes)
MD5: ceb91da87d07244ed876f0b92da3b192
Detection count: 94
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: March 21, 2013
%SystemDrive%\Users\<username>\3732892.dll File name: 3732892.dll
Size: 139.77 KB (139776 bytes)
MD5: 7c92a0b8ccef87355fa5b6836cc4261f
Detection count: 76
File type: Dynamic link library
Mime Type: unknown/dll
Path: %SystemDrive%\Users\Leo
Group: Malware file
Last Updated: March 21, 2013
%ALLUSERSPROFILE%\Local Settings\Temp\mssfxya.com File name: mssfxya.com
Size: 72.7 KB (72704 bytes)
MD5: 546ca59fae4c1e900dae82b03ecb3952
Detection count: 66
File type: Command, executable file
Mime Type: unknown/com
Path: %ALLUSERSPROFILE%\Local Settings\Temp
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup\LED.exe File name: LED.exe
Size: 778.24 KB (778240 bytes)
MD5: 48babb6a899ae12a30538f2253a9b99a
Detection count: 34
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\Winlog\Winlogon.exe File name: Winlogon.exe
Size: 374.27 KB (374272 bytes)
MD5: a6fadf10d3e593803601ddff296a10d7
Detection count: 23
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Winlog
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\Microsoft\dwm.exe File name: dwm.exe
Size: 1.57 MB (1572864 bytes)
MD5: 8718222259cc28fc98d4c619b7782844
Detection count: 19
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Microsoft
Group: Malware file
Last Updated: August 5, 2016
%PROGRAMFILES(x86)%\FreeListen\FreeListenManager.exe File name: FreeListenManager.exe
Size: 2.93 MB (2936872 bytes)
MD5: ba120116bc56efbe381fada54ad930b4
Detection count: 14
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\FreeListen
Group: Malware file
Last Updated: March 21, 2013
svhost.exe File name: svhost.exe
Size: 1.02 MB (1020996 bytes)
MD5: b2c187c97295a6828527059f49ccf19a
Detection count: 14
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: March 21, 2013
%WINDIR%\batszxye.exe File name: batszxye.exe
Size: 123.9 KB (123904 bytes)
MD5: 7a2ccfa78bace5cd84372aa0be3cff03
Detection count: 9
File type: Executable File
Mime Type: unknown/exe
Path: %WINDIR%
Group: Malware file
Last Updated: March 21, 2013
%SystemDrive%\RECYCLER\S-1-5-21-746137067-1767777339-682003330-500\$c9b64ad97be8d0b10977bd5acbd08127\n. File name: n.
Size: 67.58 KB (67584 bytes)
MD5: 55e367336d30de18020f72a4a6671e5c
Detection count: 9
Path: %SystemDrive%\RECYCLER\S-1-5-21-746137067-1767777339-682003330-500\$c9b64ad97be8d0b10977bd5acbd08127
Group: Malware file
Last Updated: March 29, 2013
%PROGRAMFILES%\K14R\iupdater.exe File name: iupdater.exe
Size: 16.89 KB (16896 bytes)
MD5: 62c70a0a68ffc3c7718309957a06564f
Detection count: 7
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\K14R
Group: Malware file
Last Updated: March 21, 2013
%SystemDrive%\Users\<username>\AppData\Roaming\668709b5-34ff-4fd2-8f3a-27b6c6221427.exe File name: 668709b5-34ff-4fd2-8f3a-27b6c6221427.exe
Size: 112.12 KB (112128 bytes)
MD5: bf4d11d8e4864532e46a350e0576c62b
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %SystemDrive%\Users\<username>\AppData\Roaming
Group: Malware file
Last Updated: March 21, 2013
SARAH\AppData\Local\build.exe File name: build.exe
Size: 122.88 KB (122880 bytes)
MD5: ea768a24c0fc6edc87c005c66681cd70
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: SARAH\AppData\Local
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\skype.dat File name: skype.dat
Size: 88.06 KB (88064 bytes)
MD5: 32c5a6206e8a00c7337ef47d3c0636b4
Detection count: 5
File type: Data file
Mime Type: unknown/dat
Path: %APPDATA%
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\Microsoft\tjplsgvowg.exe File name: tjplsgvowg.exe
Size: 105.47 KB (105472 bytes)
MD5: b7817240ad59e731aadbeffc305f8c36
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Microsoft
Group: Malware file
Last Updated: March 21, 2013
%APPDATA%\ms3x.exe File name: ms3x.exe
Size: 2.43 MB (2430464 bytes)
MD5: 209a909f43e9b6371aa5791b60465ecd
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%
Group: Malware file
Last Updated: March 29, 2013
%APPDATA%\Microsoft\Nqnqe\nqnqe.exe File name: nqnqe.exe
Size: 262.14 KB (262144 bytes)
MD5: cac15bbccd5b708290a44086f72deb7d
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Microsoft\Nqnqe
Group: Malware file
Last Updated: March 21, 2013
%TEMP%\0.5741384901339003.exe File name: 0.5741384901339003.exe
Size: 61.69 KB (61698 bytes)
MD5: be0bdbc56b875f2645e594d35c006119
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: March 21, 2013
%PROGRAMFILES(x86)%\GoogleApp\GoogleApp.exe File name: GoogleApp.exe
Size: 1.64 MB (1644032 bytes)
MD5: 2a650fca7830ce1d4217421378d55835
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\GoogleApp
Group: Malware file
Last Updated: April 22, 2013
%ALLUSERSPROFILE%\Application Data\apptj.exe File name: apptj.exe
Size: 1.37 MB (1376785 bytes)
MD5: 97040ed47a7715f6eb37b1207dfd9d64
Detection count: 4
File type: Executable File
Mime Type: unknown/exe
Path: %ALLUSERSPROFILE%\Application Data
Group: Malware file
Last Updated: April 28, 2016

More files

Registry Modifications

The following newly produced Registry Values are:

Regexp file mask%PUBLIC%\Documents\vtr.exe

Additional Information

The following directories were created:
%APPDATA%\WHService

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