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Virus:DOS/Checksum.1253 description and removal instruction

Virus:DOS/Checksum.1253

Free Virus:DOS/Checksum.1253 Scan

Technical information
Payload
Removal instructions

Technical information

The Virus:DOS/Checksum.1253 will install rogue security software Registry Mechanic into the affected computers without users knowledge. The Virus:DOS/Checksum.1253 file size is 61440 bytes.

Payload

Once launched, the Virus:DOS/Checksum.1253 performs the following actions:

  • Download rogue security tool Registry Mechanic from the following domains:
    http://www.pctools.com/
  • Modify the properties of the following files:
    %SYSTEMROOT%:\WINDOWS\System32\DriverStore\FileRepository\faxca003.inf_amd64_neutral_5b8c7c1dda79bef4\\CNHF1UI.DLL

    (61440 bytes; detected by HitMalware as " Virus:DOS/Checksum.1253")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Virus:DOS/Checksum.1253:

    1. Replace the infected file CNHF1UI.DLL for free by using CNHF1UI.DLL repair tool - DLL Suite. See how to replace CNHF1UI.DLL by using DLL Suite.

    2. Perform a full Virus:DOS/Checksum.1253 scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 61228456122845


    How to replace CNHF1UI.DLL by using DLL Suite

  • Download DLL Suite, install and run
  • Click "Start Scan" button to check CNHF1UI.DLL file
  • Choose CNHF1UI.DLL and click "More Information"
  • Download CNHF1UI.DLL for free from the open web page
  • Save CNHF1UI.DLL to its default folder to replace infected CNHF1UI.DLL file.
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