Yahlover

Yahlover Description

Yahlover is an Internet worm that spreads by the use of Yahoo messenger. Yahlover worm is also known as W32/YahLover.worm.a and W32/YahLover.worm.gen. Yahlover may also be spread by Autorun.ini files so that it may be automatically executed on systems where Autorun is enabled.

Yahlover will circulate download links to all members in your Yahoo buddy list. Yahlover worm will block your registry and reboot your computer whenever you attempt to go to the command prompt. Yahlover worm may also change the configuration of your Yahoo Messenger. Yahlover is a pestering malevolent virus and needs to be deleted right away. If you get infected remove the Yahlover worm with a reliable anti-virus, anti-spyware software.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 21srg698.au3.tb
    2 csrcs.exe

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden = dword:00000002HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = dword:00000000HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\SuperHidden = dword:00000000HKLM\SOFTWARE\ESET\Nod\CurrentVersion\Modules\AMON\Settings\Config000\Settings\exc = HKLM\SOFTWARE\ESET\Nod\CurrentVersion\Modules\AMON\Settings\Config000\Settings\exc_num = dword:0000000cHKLM\SOFTWARE\ESET\Nod\CurrentVersion\Modules\AMON\Settings\Config000\Settings\media_network = dword:00000000HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe csrcs.exe"HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL\CheckedValue = dword:00000001HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run\csrcs = "%System%\csrcs.exe"

Use SpyHunter to Detect and Remove PC Threats

If you are concerned that malware or PC threats similar to Yahlover 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.

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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.

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Posted: November 11, 2008

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