Categories: Trojan

Trojan:Win32/Zbot!pz removal guide

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
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • CAPE detected the shellcode get eip malware family
  • Attempts to modify proxy settings
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan:Win32/Zbot!pz?


File Info:

name: 1125434A8BEBBF2E44D1.mlwpath: /opt/CAPEv2/storage/binaries/113931458da7b8aa3b4225f6c2f3de812fe30088d91d904c2b57856e399b3003crc32: D7496429md5: 1125434a8bebbf2e44d1f92809fa8895sha1: fbe0d9433e2b10b7e0c390a53f0701d4abbdbfe5sha256: 113931458da7b8aa3b4225f6c2f3de812fe30088d91d904c2b57856e399b3003sha512: a4f355ae3764f02ef5c1cc5b71703429cf09d53867e4531e1ac9f796ccfffb77d7ea0b7077f64a8ce5cc6dbdd2b83e343f9bd576ab5f8c5679fcea403cd7dec7ssdeep: 768:T9ECL7YPvPfhBLCY5RRpkmzXCyb88O0JkhS:gnXMgtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10C2325386BD55A72E37BDEB58AF551C6F975B0233C02D90D40DA43840823FA6EDE1A1Esha3_384: b30492f3883ebaff2c378949bbcad7a52b5f56697d26aebda8dfc4680c32819afeb0487e540e8176c71ab013f126c91fep_bytes: 558d6c248881ecd408000053565733dbtimestamp: 2014-01-27 12:19:18

Version Info:

0: [No Data]

Trojan:Win32/Zbot!pz also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ppatre.Gen.1
FireEye Generic.mg.1125434a8bebbf2e
CAT-QuickHeal Downloader.Upatre.27298
Skyhigh BehavesLike.Win32.Generic.pz
McAfee GenericRXRZ-CQ!1125434A8BEB
Malwarebytes Generic.Malware.AI.DDS
VIPRE Trojan.Ppatre.Gen.1
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0052964f1 )
K7GW Trojan ( 0052964f1 )
Cybereason malicious.33e2b1
Arcabit Trojan.Ppatre.Gen.1
VirIT Trojan.Win32.Upatre.BY
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/TrojanDownloader.Waski.B
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Malware.Bavs-6804154-0
Kaspersky HEUR:Trojan-Downloader.Win32.Upatre.gen
BitDefender Trojan.Ppatre.Gen.1
NANO-Antivirus Trojan.Win32.DownLoad3.frlegi
Avast Win32:Upatre-V [Trj]
Sophos Troj/Upatre-YS
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Trojan.DownLoad3.33424
Zillya Trojan.Waski.Win32.3906
Trapmine malicious.high.ml.score
Emsisoft Trojan.Ppatre.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Zbot.fois
Varist W32/Upatre.NG.gen!Eldorado
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Virus/Win32.Expiro.imp
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.TrojanDownloader.Waski.BU@7nmtnf
Microsoft Trojan:Win32/Zbot!pz
ZoneAlarm HEUR:Trojan-Downloader.Win32.Upatre.gen
GData Win32.Trojan-Downloader.Upatre.BJ
Google Detected
AhnLab-V3 Trojan/Win.Upatre.R476095
Acronis suspicious
VBA32 Trojan.Download
ALYac Trojan.Ppatre.Gen.1
MAX malware (ai score=81)
Cylance unsafe
Panda Trj/Genetic.gen
Rising Spyware.Zbot!8.16B (TFE:3:zHMEcYKLCaB)
Ikarus Trojan-Downloader.Win32.Waski
Fortinet W32/EncPk.ACO!tr
BitDefenderTheta Gen:NN.ZexaF.36744.cqY@aeybIUdi
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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