Categories: Malware

What is “PWS:Win32/Zbot.M”?

The PWS:Win32/Zbot.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/Zbot.M virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine PWS:Win32/Zbot.M?


File Info:

name: 6240E914F42AC31DEBB5.mlwpath: /opt/CAPEv2/storage/binaries/8c3d300792e1bc9ab41afb7322a7699dfab620f42a46caa660cfd6856e9d1f05crc32: EB2F3034md5: 6240e914f42ac31debb55269bf39deb3sha1: 154507b0e647b75e3009b456f93ba42394f5945asha256: 8c3d300792e1bc9ab41afb7322a7699dfab620f42a46caa660cfd6856e9d1f05sha512: 30ee36a2cca033b1a8bf1735d5dd739f598643c5e1792c05dc45f5442695e4b227b891bc85bf793e2d021002a52b9ff43f9e5c54c7ac1268efb4690b158e51b5ssdeep: 12288:iuyyoRb9zGEVTnHK+s1Cfj7KzlLZq0wdaD9Qf3BG:UyoRRfnHKjCb7UlLJD9QfBGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11F942257E72ED722E4A790B4A134E63884E5F0773F16464BF193216E0FCB2133CA6A95sha3_384: 50fe4508d95e0664976059a9afadbb01e6f4a3d88c7cf8d643a8b8c6f4560709f83c7f2ed4b5ed18db149aa2553c9aa2ep_bytes: 5589e583ec1c8d8d59ffffff9c5a89f0timestamp: 2009-04-23 17:49:54

Version Info:

0: [No Data]

PWS:Win32/Zbot.M also known as:

Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.114
MicroWorld-eScan Gen:Trojan.Heur.GM.1040804800
FireEye Generic.mg.6240e914f42ac31d
ALYac Gen:Trojan.Heur.GM.1040804800
Cylance Unsafe
VIPRE Trojan-Spy.Win32.Zbot.gen (v)
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Spyware ( 0055e3db1 )
Alibaba TrojanPSW:Win32/EncPk.2e2066e2
K7GW Spyware ( 0055e3db1 )
Cybereason malicious.4f42ac
BitDefenderTheta AI:Packer.EB7A03D61D
VirIT Trojan.Win32.ZBot.CV
Cyren W32/Zbot.O.gen!Eldorado
Symantec Infostealer
ESET-NOD32 Win32/Spy.Zbot.PF
TrendMicro-HouseCall TSPY_ZBOT.AUH
Paloalto generic.ml
ClamAV Win.Trojan.Agent-155158
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.Heur.GM.1040804800
NANO-Antivirus Trojan.Win32.Zbot.hglb
Avast Win32:Zbot-BEJ [Trj]
Rising Spyware.Zbot!8.16B (CLOUD)
Ad-Aware Gen:Trojan.Heur.GM.1040804800
Sophos Mal/Generic-S + Mal/EncPk-HZ
Comodo TrojWare.Win32.Spy.Zbot.SOT@1fhkhu
Zillya Trojan.Zbot.Win32.104
TrendMicro TSPY_ZBOT.AUH
McAfee-GW-Edition BehavesLike.Win32.VirRansom.gc
Emsisoft Gen:Trojan.Heur.GM.1040804800 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Trojan.Heur.GM.1040804800
Jiangmin TrojanSpy.Zbot.htb
Webroot W32.InfoStealer.Zeus
Avira TR/Spy.Zbot.66560
MAX malware (ai score=100)
Antiy-AVL Trojan/Generic.ASMalwS.CEF8F
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft PWS:Win32/Zbot.M
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.C88856
Acronis suspicious
McAfee Spy-Agent.du
TACHYON Trojan-Spy/W32.ZBot.448000.D
VBA32 Malware-Cryptor.Win32.Vals.22
APEX Malicious
Tencent Malware.Win32.Gencirc.10b89527
Yandex Trojan.GenAsa!W7X5iEyrg3o
Ikarus Trojan-Spy.Win32.Zbot
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Kryptik.HZ!tr
AVG Win32:Zbot-BEJ [Trj]
Panda W32/Sinowal.WER.worm
CrowdStrike win/malicious_confidence_100% (W)

How to remove PWS:Win32/Zbot.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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