Home Malware Programs Backdoors Zegost.F!dll

Zegost.F!dll

Posted: September 19, 2011

Threat Metric

Ranking: 14,613
Threat Level: 8/10
Infected PCs: 576
First Seen: September 19, 2011
Last Seen: September 5, 2023
OS(es) Affected: Windows

Aliases

BDS/Zegost.F.96 [AntiVir]Gen:Variant.Symmi.17983 [BitDefender]BackDoor.Generic15.BGGP [AVG]Trojan.PWS.Spy.14828 [DrWeb]Trojan-Spy.Win32.Agent.ccaq [Kaspersky]BackDoor.Generic16.BMUB [AVG]BDS/Zegost.F.43 [AntiVir]Artemis!F81ABC6F6FB1 [McAfee]PSW.Agent.ASUT [AVG]Trojan.PWS.Spy.13635 [DrWeb]Trojan-Spy.Win32.Agent.bybm [Kaspersky]Generic PWS.y!dwl [McAfee]TrojanSpy.Agent.bybm [CAT-QuickHeal]BackDoor.Generic16.CTS [AVG]TROJ_GEN.RCBOCKH [TrendMicro]
More aliases (293)

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:



%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 73.74 KB (73748 bytes)
MD5: 12f842796bee6ce4fc8659452f727746
Detection count: 66
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: April 13, 2012
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 73.74 KB (73748 bytes)
MD5: 227baa636813e85910d871370534ecd6
Detection count: 44
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: August 21, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: a48905de5b9af20a388905a4f4380d8e
Detection count: 37
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: August 27, 2012
%WINDIR%\system32\Iasex.dll File name: Iasex.dll
Size: 73.74 KB (73748 bytes)
MD5: 9d405aa82d3a0266ecb1fff7ca3440d2
Detection count: 31
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: October 5, 2012
%WINDIR%\system32\Irmonex.dll File name: Irmonex.dll
Size: 77.84 KB (77844 bytes)
MD5: a6773b06ec36bf0a929087dcc6ebd54e
Detection count: 26
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: December 20, 2012
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 73.74 KB (73748 bytes)
MD5: cf1d80dd75bb4d01205e0058429727f6
Detection count: 24
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: March 15, 2012
%WINDIR%\system32\Iasex.dll File name: Iasex.dll
Size: 77.84 KB (77844 bytes)
MD5: 1d8e79960d9b4bcea7e5fd58b944b6a5
Detection count: 23
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: January 5, 2013
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 77.84 KB (77844 bytes)
MD5: 090196a9919ab4d0d3db8f02695d6c14
Detection count: 16
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: December 27, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 49.2 KB (49200 bytes)
MD5: ee4fade3ae78c80ffa7f800444c12968
Detection count: 14
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: May 15, 2013
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 73.74 KB (73748 bytes)
MD5: f70cac7f1e4ba43ae505da46921f18aa
Detection count: 12
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: December 27, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: 31735eb47c0b8f7c36d7f1ff9705afaa
Detection count: 12
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: July 19, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: e96814c2d152b80787c3ddf1acfdd7e6
Detection count: 11
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: January 10, 2012
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 73.74 KB (73748 bytes)
MD5: ac747c0804583432fe5862650672dfad
Detection count: 9
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: September 17, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: 154e0cd7474d49416ebc44bdd7c0802e
Detection count: 7
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: September 25, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: dca289fa272e67bca6aa08527e613a14
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: June 13, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: 6d208ccea67d03ec461f6b3c1b847965
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: July 30, 2012
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 73.74 KB (73748 bytes)
MD5: a432b898060cc7539dcd91177559c099
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: October 8, 2012
%WINDIR%\system32\Iasex.dll File name: Iasex.dll
Size: 77.84 KB (77844 bytes)
MD5: 0a40faf99f944b110a6f59786c40c310
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: February 11, 2013
%WINDIR%\system32\FastUserSwitchingCompatibilityex.dll File name: FastUserSwitchingCompatibilityex.dll
Size: 45.07 KB (45076 bytes)
MD5: f81abc6f6fb1df81e53cbe54e91c600c
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: February 25, 2013
%WINDIR%\system32\6to4ex.dll File name: 6to4ex.dll
Size: 45.07 KB (45076 bytes)
MD5: dde9c57372c555d082d857e4e30d46e4
Detection count: 1
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: March 1, 2013

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