Categories: Backdoor

Backdoor:PHP/Webshell.G!MSR removal instruction

The Backdoor:PHP/Webshell.G!MSR is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor:PHP/Webshell.G!MSR virus can do?

  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Uses Windows utilities for basic functionality
  • Network activity detected but not expressed in API logs
  • Harvests information related to installed mail clients

How to determine Backdoor:PHP/Webshell.G!MSR?


File Info:

crc32: CD3E6574md5: b7d79eefb832812b442302e7cc1d0414name: upload_filesha1: da8425a413b361b2bc1d537ccc8c5eedeacd9955sha256: 39f68aa03a0ec2a52cf4ef1a053bf34496c21c57ca133f734750f3ca7c3f8776sha512: 4f4514df325ee24861404d8659e1e34146a799f51e411b20f0c30ae848c747c95a4a5953489a3edcd06b8ad561f4a0843169fff5f818d6ed88e1ba93b84111b8ssdeep: 1536:jXx/M6MPbNgG1OcXbr62R7vX1+KtpMoK9Ij5ztM1p1TRH44h2IwPNUtK:jBRMSKLR0kK9Ij5ztM1p8DUKtype: PHP script, UTF-8 Unicode text, with very long lines, with CRLF line terminators

Version Info:

0: [No Data]

Backdoor:PHP/Webshell.G!MSR also known as:

Bkav VEX.Webshell
MicroWorld-eScan Backdoor.PHP.WebShell.BD
FireEye Backdoor.PHP.WebShell.BD
Qihoo-360 php.script.spyeyes.1
ALYac Backdoor.PHP.WebShell.BD
Sangfor Malware
Baidu PHP.Backdoor.WebShell.y
Avast PHP:BackDoor-BU [Trj]
BitDefender Backdoor.PHP.WebShell.BD
NANO-Antivirus Trojan.Html.WebShell.fgjclq
Rising Backdoor.WebShell-1251/PHP!1.A59F (CLASSIC)
Ad-Aware Backdoor.PHP.WebShell.BD
Comodo TrojWare.PHP.WebShell.NAH@818kmp
DrWeb PHP.Shell.26
Fortinet BAT/WebShell.BD!tr
Arcabit Backdoor.PHP.WebShell.BD
Microsoft Backdoor:PHP/Webshell.G!MSR
AhnLab-V3 PHP/Webshell.S5
MAX malware (ai score=85)
ESET-NOD32 PHP/WebShell.NGH
Tencent Bk.YDWebShell.PHP.BackdoorGen.11100802
Ikarus Backdoor.PHP.WebShell
GData Backdoor.PHP.WebShell.BD
AVG PHP:BackDoor-BU [Trj]

How to remove Backdoor:PHP/Webshell.G!MSR?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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