Posted: July 24, 2009
Threat Metric
Threat Level: 6/10
Infected PCs 66

VirTool.Koobface.B Description

VirTool.Koobface.B is a malicious spyware threat which serves as a type of misleading program that is created to trace your online activity and collect your confidential data for commercial purpose. VirTool.Koobface.B does so by executing certain activities such as automatically playing and downloading advertisements or monitoring and changing the system settings and some program setting of your computer, generally without your permission. The occurrence of VirTool.Koobface.B is typically covered from the user because it comes as a hidden file of a legit shareware or freeware application. Remove VirTool.Koobface.B from your system to protect your machine.

File System Modifications

  • The following files were created in the system:
    # File Name File Size (bytes) File Hash
    1 drv.sys 9,344 ef68e3c5136fe4432eb9ea88f7e7764e
    2 imapioko.sys 32,768 d36cc34a89fa254bc493845e03a73adc
    3 sfx.sys 9,472 5366966e00b88227d0e9dc8ff8da4aa3

Registry Modifications

  • The following newly produced Registry Values are:


Bulk Trojan [Sunbelt]Artemis!5366966E00B8 [McAfee+Artemis]Rootkit.Win32.Small [Ikarus]Rootkit.Win32.Small.adn [F-Secure]Rootkit/Win32.Small [Antiy-AVL]Rootkit.Win32.Small!IK [a-squared]Hacktool.Rootkit [Symantec]Mal/Generic-A [Sophos]RootKit.Win32.Agent.figTrj/CI.A [Panda]Trojan/W32.Rootkit.9344.DVirTool:WinNT/Koobface.gen!B [Microsoft]Heuristic.LooksLike.Trojan.Agent.L [McAfee-GW-Edition]Artemis!EF68E3C5136F [McAfee+Artemis]Virtool.Winnt [Ikarus]
More aliases (20)

Use SpyHunter to Detect and Remove PC Threats

If you are concerned that malware or PC threats similar to VirTool.Koobface.B may have infected your computer, we recommend you start an in-depth system scan with SpyHunter. SpyHunter is an advanced malware protection and remediation application that offers subscribers a comprehensive method for protecting PCs from malware, in addition to providing one-on-one technical support service.

Download SpyHunter's Malware Scanner

Note: SpyHunter's free version is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware tool to remove the malware threats. Learn more on SpyHunter. If you would like to uninstall SpyHunter for any reason, please follow these uninstall instructions. To learn more about our policies and practices, visit our EULA, Privacy Policy and Threat Assessment Criteria.

Why can't I open any program including SpyHunter? You may have a malware file running in memory that kills any programs that you try to launch on your PC. Tip: Download SpyHunter from a clean computer, copy it to a USB thumb drive, DVD or CD, then install it on the infected PC and run SpyHunter's malware scanner.

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:

sfx.sys File name: sfx.sys
Size: 9.47 KB (9472 bytes)
MD5: 5366966e00b88227d0e9dc8ff8da4aa3
Detection count: 70
File type: System file
Mime Type: unknown/sys
Group: Malware file
Last Updated: December 11, 2009
imapioko.sys File name: imapioko.sys
Size: 32.76 KB (32768 bytes)
MD5: d36cc34a89fa254bc493845e03a73adc
Detection count: 61
File type: System file
Mime Type: unknown/sys
Group: Malware file
Last Updated: March 25, 2010
drv.sys File name: drv.sys
Size: 9.34 KB (9344 bytes)
MD5: ef68e3c5136fe4432eb9ea88f7e7764e
Detection count: 36
File type: System file
Mime Type: unknown/sys
Group: Malware file
Last Updated: December 11, 2009
Home Malware Programs Hacktools VirTool.Koobface.B

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