Categories: Malware

About “PWS:Win32/Perfwo.M” infection

The PWS:Win32/Perfwo.M 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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What PWS:Win32/Perfwo.M virus can do?

  • Injection with CreateRemoteThread in a remote process
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Code injection with CreateRemoteThread in a remote process
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine PWS:Win32/Perfwo.M?


File Info:

crc32: B60C83EEmd5: 0db2499686cf7c0e2e028034803033bdname: 0DB2499686CF7C0E2E028034803033BD.mlwsha1: 71787001c5c23f47b4a940ef71f49c533ccdea2esha256: 8e9315f6390648c46c1060ece8c14f7e5b779411c07300bba2cb89ece38d7474sha512: 8eeb990745c2544defffca2a967ddc15a64cd2573c5097a7153fff3c9ae66061c8a7173502e505f6e33864215e310980402298e99f07fb4db31830cb924f7071ssdeep: 768:/DkLH9i9yWlrdf0qP47VWMnALDHvTQ5+fgl69FIbLfmGD6T:YLOmm05mSKI3Utype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

PWS:Win32/Perfwo.M also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 7000000f1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Gamania
Cynet Malicious (score: 100)
ALYac Dropped:Trojan.Spy.Banker.BRL
Cylance Unsafe
Zillya Trojan.Qhost.Win32.11495
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba TrojanPSW:Win32/Qhost.b68b7b71
K7GW Trojan ( 7000000f1 )
Cybereason malicious.686cf7
Cyren W32/Blocker-based!Maximus
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Delf-EME [Trj]
Kaspersky Trojan.Win32.Qhost.lo
BitDefender Dropped:Trojan.Spy.Banker.BRL
NANO-Antivirus Trojan.Win32.Qhost.ctxbrb
MicroWorld-eScan Dropped:Trojan.Spy.Banker.BRL
Tencent Malware.Win32.Gencirc.114917d8
Ad-Aware Dropped:Trojan.Spy.Banker.BRL
Sophos ML/PE-A + Mal/Gampass-B
Comodo TrojWare.Win32.PSW.Delf.~dy25@2b90lp
BitDefenderTheta AI:Packer.9CADEB8D24
VIPRE BehavesLike.Win32.Malware.ssc (mx-v)
TrendMicro TROJ_QHOST.DV
McAfee-GW-Edition BehavesLike.Win32.Eggnog.nc
FireEye Generic.mg.0db2499686cf7c0e
Emsisoft Dropped:Trojan.Spy.Banker.BRL (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDropper.Delf.de
Avira TR/Hijacker.Gen
eGambit Trojan.Generic
Microsoft PWS:Win32/Perfwo.M
AegisLab Trojan.Win32.Qhost.4!c
ZoneAlarm Trojan.Win32.Qhost.lo
GData Dropped:Trojan.Spy.Banker.BRL
Acronis suspicious
McAfee Artemis!0DB2499686CF
MAX malware (ai score=100)
VBA32 SScope.Trojan.Prosti.2
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_QHOST.DV
Rising Trojan.PSW.OnlineGames.bqs (CLOUD)
Ikarus Trojan-Spy.Perfwo
Fortinet W32/Qhost.B!tr
AVG Win32:Delf-EME [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Qhost.HwUBEpsA

How to remove PWS:Win32/Perfwo.M?

  • 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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