Categories: Malware

PHP/Qhost.R removal

The PHP/Qhost.R 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 PHP/Qhost.R virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • The sample wrote data to the system hosts file.

How to determine PHP/Qhost.R?


File Info:

crc32: 604C8CD0md5: a62e8deb5abe77005ff5c076854c5321name: A62E8DEB5ABE77005FF5C076854C5321.mlwsha1: 4e6c1cd0342c6472bc1f1f6f8bbcad61bc0fe0fcsha256: f2147720df702e8e4b85a050bd77c710eaefbffb4e26ad770b249cd4eeba18c0sha512: bb8d35cc2b17025446ca8d483c4edd8d8ab3af57fd545c677c1f4ca97ac792c3f392a04c1b1993dd106279bcf467ea46439188faa6df95a287280ea36c8937aessdeep: 12288:1pttfnWhO76Odns6JTPUxFFMDstuLafuYxSLFyL4jwdEYewexZ0oPWK9V5+1G2v:1LBWhS6OqgU7GDlLaWISXwrwT04VwRBtype: PE32 executable (console) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Web Archive Copyright 2014 InternalName: Windows Web ArchiveFileVersion: 1.0.0.0CompanyName: Windows Web ArchiveLegalTrademarks: Comments: Modified by an unpaid evaluation copy of Resource Tuner 2 (www.heaventools.com)ProductName: Windows Web ArchiveProductVersion: 1.0.0.0FileDescription: Windows Archive 2014OriginalFilename: Translation: 0x0000 0x04e3

PHP/Qhost.R also known as:

DrWeb Trojan.Hosts.33304
Qihoo-360 Win32/Trojan.Qhost.HwsBr1oA
Cylance Unsafe
VIPRE Trojan.SpamThru
Sangfor Trojan.PHP.Qhost.j
K7AntiVirus Trojan ( 004affef1 )
K7GW Trojan ( 004affef1 )
Cybereason malicious.0342c6
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.PHP.Qhost.j
Alibaba Trojan:PHP/Qhost.bf3cc42a
NANO-Antivirus Trojan.Win32.Symmi.dindni
AegisLab Trojan.PHP.Qhost.4!c
Rising Trojan.Qhost!8.1B0 (CLOUD)
TACHYON Trojan/W32.Qhost.1609728
Comodo Malware@#2wegu37lus1t4
F-Secure Trojan.TR/Symmi.662528
TrendMicro TROJ_SPNR.3AK014
McAfee-GW-Edition BehavesLike.Win32.Dropper.jc
Webroot W32.Trojan.Spamthru
Avira TR/Symmi.662528
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan.PHP.Qhost.j
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.Agent.C498054
McAfee Artemis!A62E8DEB5ABE
MAX malware (ai score=99)
VBA32 Trojan.PHP.Qhost
Malwarebytes Malware.Heuristic.1003
Panda Trj/Genetic.gen
ESET-NOD32 PHP/Qhost.R
TrendMicro-HouseCall TROJ_SPNR.3AK014
Tencent Php.Trojan.Qhost.Lknm
Yandex Trojan.Symmi!U5h1IcKH6RQ
Ikarus Trojan.PHP.Qhost
Fortinet PHP/Qhost.R!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove PHP/Qhost.R?

  • 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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