ckvo.exe
Malware - Harmful EXE

 Updated version of this article is available on this link

ckvo.exe is a filename that has appeared recently in several infections of a Trojan Horse Virus, which has following characteristics. 1) creats autorun.inf file 2) Downloads other files  3) Modifies system settings 4) spreads across the network

This article provides thorough detection and removal instructions. All the tools/ software mentioned in this article are freeware.

 

Aliases: There are several variations of the virus, which you can find listed on this link

Delete Files: The place where ckvo.exe could be found is  %systemr%\ckvo.exe, there are other files added by the virus as well

%System%\ckvo.exe
%System%\ckvo0.dll
%System%\ckvo2.dll
c:\vxl.exe
c:\autorun.inf
If your computer has ckvo.exe, and you did not locate any of the additional files above, you can search these reoprts for additional files

%System%  refers to the System folder. By default C:\Windows\System (in Windows 95/98/Me), C:\Winnt\System32 (in Windows NT/2000), or C:\Windows\System32 (in Windows XP and Vista).

 View Hidden Files: Before you could delete ckvo.exe, and its associated files you need to search for them, and before doing that you need to enable to view hidden files and folders  Click here to read more...
 Boot in safe mode: Sometimes you will not be able to delete a file even if you find it, in that case you should boot in safe mode and then try to delete it/ them.  Click here to read more...
 End Process in the Task Manager:  If you find ckvo.exe running in the Task Manager, you can select it  and press End process button, that will help you to delete it from the hard disk later. Click here to read more... 
 Remove entry from Windows Startup:  Look in the windows startup, by opening the system configuration utility and remove the entry of ckvo.exe if found. Click here to read more...
 Unable to open Task Manager: If that happens, you can try these free tools to enable the task manager again. Click here to read more...
 Run CCleaner :  If you manage to find ckvo.exe and associated files and delete it,  even then there will be associated entries in the windows registry. If you run a free temp files/registry cleaner called CCleaner, that will help you to automatically clean the registry from the virus entries. Click here to read more...

 Block the sites:  Keep yourself protected by using a stadalone firewall software, you can see the logs of the firewall to see if there is any suspicious communication from your computer which you are not aware of. The virus communincates with one of the following sites.
hhgg3.com
23drf.com
qwer123.com

 Delete the registry keys manually: If you are brave enough to do so. You can edit the registry by using the windows built in registry editor. Click here to read more...

You can find the registry entries created by this malware in this report . Best of Luck 

reference with permission from Threatexpert

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