Home Malware Programs Backdoors Cycbot

Cycbot

Posted: October 1, 2010

Threat Metric

Threat Level: 6/10
Infected PCs: 30,593
First Seen: October 1, 2010
Last Seen: July 7, 2022
OS(es) Affected: Windows

Aliases

Win32/Cryptor [AVG]Backdoor.Win32.Gbot [Ikarus]Backdoor/Win32.Gbot [AhnLab-V3]Troj/CycBot-R [Sophos]TR/Kazy.48327 [AntiVir]BackDoor.Gbot.1851 [DrWeb]Gen:Variant.Kazy.48327 [BitDefender]Backdoor.Win32.Gbot.qvo [Kaspersky]Win32:Cycbot-PM [Trj] [Avast]a variant of Win32/Kryptik.XGT [NOD32]Backdoor [K7AntiVirus]BackDoor-EXI.gen.aa [McAfee]PWS.Win32 [Ikarus]BackDoor.Gbot.53 [DrWeb]Trojan.Win32.Jorik.Gbot.cql [Kaspersky]
More aliases (82)

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:



%TEMP%\csrss.exe File name: csrss.exe
Size: 186.88 KB (186880 bytes)
MD5: dac0d9d8376ffa1d6cf62f5490407fb6
Detection count: 1,122
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 174.59 KB (174592 bytes)
MD5: d74ff12da848dcbd7b6d3696d9c7a4ec
Detection count: 457
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 186.88 KB (186880 bytes)
MD5: 7f39241b3444a3576708320afbf7a0fc
Detection count: 422
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 200.7 KB (200704 bytes)
MD5: 5e7958d860d40a4f60e9228a6a499844
Detection count: 393
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 185.85 KB (185856 bytes)
MD5: d6f90ef3c7fbd500e3541100f4112294
Detection count: 368
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 210.43 KB (210432 bytes)
MD5: b8d57d709ce681bce0b2f592a3ed18f5
Detection count: 351
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 199.16 KB (199168 bytes)
MD5: ea634e7d683f995c833fc8eba4e69843
Detection count: 344
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 199.68 KB (199680 bytes)
MD5: 0c95a41daa93394853f55153260f7972
Detection count: 307
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 199.68 KB (199680 bytes)
MD5: 71be4948aa4472ef4e75ffaf99a55300
Detection count: 262
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%SystemDrive%\Users\<username>\Application Data\java.exe File name: java.exe
Size: 284.16 KB (284160 bytes)
MD5: 1529e457137f7d1b0ffd9d7fb538ad37
Detection count: 253
File type: Executable File
Mime Type: unknown/exe
Path: %SystemDrive%\Users\<username>\Application Data
Group: Malware file
Last Updated: November 10, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 186.88 KB (186880 bytes)
MD5: b2734c93280818f292d61084a89e8939
Detection count: 232
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 199.68 KB (199680 bytes)
MD5: 1352ec65f1b06affdf9b0c6a6cb08701
Detection count: 227
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 176.12 KB (176128 bytes)
MD5: ee6203d2157255de4ab8549595e503e7
Detection count: 199
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
%TEMP%\csrss.exe File name: csrss.exe
Size: 185.85 KB (185856 bytes)
MD5: b35be1565a07f3e1a2f95431bc50bf1c
Detection count: 199
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: June 23, 2016
C:\Users\<username>\Desktop\file.exe File name: file.exe
Size: 166.91 KB (166912 bytes)
MD5: e1bb90ddf62072afea134bfc0f6fe7b1
Detection count: 84
File type: Executable File
Mime Type: unknown/exe
Path: C:\Users\<username>\Desktop
Group: Malware file
Last Updated: June 4, 2018
file.exe File name: file.exe
Size: 180.73 KB (180736 bytes)
MD5: af1f2e45efcae2df0f53f10c68e8655b
Detection count: 80
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: August 1, 2017
%PROGRAMFILES%\LP\0494\AE4.exe File name: AE4.exe
Size: 294.4 KB (294400 bytes)
MD5: f4086ebc9edb0957dff0d4f836cfbab6
Detection count: 73
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\LP\0494
Group: Malware file
Last Updated: March 19, 2012
File.exe File name: File.exe
Size: 198.14 KB (198144 bytes)
MD5: a3e06ec580bfc4757bf18feb2bcb1139
Detection count: 66
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: November 2, 2016
file.exe File name: file.exe
Size: 181.76 KB (181760 bytes)
MD5: df365fd69880bbb15cf1f87a049aa24c
Detection count: 44
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: September 30, 2016
%APPDATA%\Microsoft\conhost.exe File name: conhost.exe
Size: 285.18 KB (285184 bytes)
MD5: db884b05bebde8c010d917dd91e37e72
Detection count: 7
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Microsoft
Group: Malware file
Last Updated: July 11, 2011

More files

Registry Modifications

The following newly produced Registry Values are:

Regexp file mask%APPDATA%\conhost.exe%APPDATA%\Microsoft\conhost.exe

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