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Backdoor:PHP/C99shell.R description and removal instruction


Free Backdoor:PHP/C99shell.R Scan

Technical information
Removal instructions

Technical information

The Backdoor:PHP/C99shell.R will install rogue security software History Killer Pro into the affected machines without users knowledge. The Backdoor:PHP/C99shell.R file size is 48128 bytes.


Once launched, the Backdoor:PHP/C99shell.R performs the following actions:

  • Download rogue security tool History Killer Pro from the following domains:
  • Modify the properties of the following files:

    (48128 bytes; detected by HitMalware as " Backdoor:PHP/C99shell.R")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Backdoor:PHP/C99shell.R:

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

    2. Perform a full Backdoor:PHP/C99shell.R scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 12187481218748

    How to replace HPBPRO.DLL by using DLL Suite

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