Categories: Trojan

About “Trojan:Win32/Zbot!pz” infection

The Trojan:Win32/Zbot!pz 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 Trojan:Win32/Zbot!pz virus can do?

  • Sample contains Overlay data
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

How to determine Trojan:Win32/Zbot!pz?


File Info:

name: 91AC2D7E3C27107B8F4A.mlwpath: /opt/CAPEv2/storage/binaries/340c93c900da8ec8daf5427f8b0905aa333e4f3148c8dcde736c478dd7fde48acrc32: 6EC8411Dmd5: 91ac2d7e3c27107b8f4a552ca87a7742sha1: 3129b1a798bbba5136210cd505d40cc142df166asha256: 340c93c900da8ec8daf5427f8b0905aa333e4f3148c8dcde736c478dd7fde48asha512: 2d2e7c68771cb0986281531e7d9a72f25fe6fbf0007279e3a4091dca55a4f354939d500258cb2ef8dc56aa951bed041e660bb9566e67cb5675f81be844a7a47assdeep: 768:Nnu40xqzEGPfpgwRlUmSlim61TKFlJVOZiIjNf:NnuupgKUmWdoKz9Ihtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10D43893C6ED556B6E37BCAB6C5F655CAF925B42339029C0E40CB03810C53F67ADA291Esha3_384: 434fe4ac2d3f5aaf8cd3799ef47ef300355e5274948301847493940c71b59e665f283f13f59eb151c34e59d6169e8b10ep_bytes: 558d6c248881ecd808000053565733dbtimestamp: 2014-05-07 11:58:56

Version Info:

0: [No Data]

Trojan:Win32/Zbot!pz also known as:

Bkav W32.AIDetectMalware
tehtris Generic.Malware
MicroWorld-eScan Trojan.Ppatre.Gen.1
ClamAV Win.Malware.Upatre-7489992-0
CAT-QuickHeal Trojan.Mauvaise.SL1
Skyhigh BehavesLike.Win32.Generic.qz
McAfee GenericRXKF-FJ!91AC2D7E3C27
Malwarebytes Generic.Malware.AI.DDS
Zillya Downloader.Waski.Win32.58804
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan-Downloader ( 004941701 )
K7GW Trojan-Downloader ( 004941701 )
Cybereason malicious.798bbb
VirIT Trojan.Win32.GenusT.XVTY
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Waski.B
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Downloader.Win32.Upatre.pef
BitDefender Trojan.Ppatre.Gen.1
NANO-Antivirus Trojan.Win32.DownLoad3.gsaikp
Avast Win32:Upatre-V [Trj]
Tencent Trojan-DL.Win32.Waski.hi
Emsisoft Trojan.Ppatre.Gen.1 (B)
F-Secure Trojan.TR/Dldr.Waski.oqcof
DrWeb Trojan.DownLoad3.33424
VIPRE Trojan.Ppatre.Gen.1
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.91ac2d7e3c27107b
Sophos Troj/Upatre-XO
SentinelOne Static AI – Malicious PE
GData Win32.Trojan-Downloader.Upatre.BJ
Jiangmin Trojan.Generic.elwze
Google Detected
Avira TR/Dldr.Waski.oqcof
MAX malware (ai score=88)
Antiy-AVL Trojan[Downloader]/Win32.Waski
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.TrojanDownloader.Waski.BU@7nmtnf
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm HEUR:Trojan-Downloader.Win32.Upatre.pef
Microsoft Trojan:Win32/Zbot!pz
Varist W32/Upatre.JY.gen!Eldorado
AhnLab-V3 Trojan/Win32.Upatre.C369973
Acronis suspicious
VBA32 BScope.Trojan.Downloader
ALYac Trojan.Ppatre.Gen.1
Cylance unsafe
Panda Trj/Genetic.gen
Rising Spyware.Zbot!8.16B (TFE:1:mhy8irZdGSI)
Yandex Trojan.GenAsa!uGSW6+/pwxg
Ikarus Trojan-Downloader.Win32.Waski
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Waski.B!tr
BitDefenderTheta Gen:NN.ZexaF.36744.dyY@aK0kbvai
AVG Win32:Upatre-V [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Trojan:Win32/Zbot!pz?

  • 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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