Categories: Trojan

Trojan.Win32.AntiVM.pef removal tips

The Trojan.Win32.AntiVM.pef 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.AntiVM.pef virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • NtSetInformationThread: attempt to hide thread from debugger
  • Dynamic (imported) function loading detected
  • Expresses interest in specific running processes
  • A process created a hidden window
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Executable file is packed/obfuscated with Themida
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: A5AAFAB67DFCAD2FAE7B.mlw
  • CAPE detected the CryptBot malware family
  • Attempts to identify installed AV products by installation directory
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan.Win32.AntiVM.pef?


File Info:

name: A5AAFAB67DFCAD2FAE7B.mlwpath: /opt/CAPEv2/storage/binaries/dd2cb882d1c389c64e7648022451ddb335279ffe4564bafa932cc673273ebd29crc32: DF1DE847md5: a5aafab67dfcad2fae7b85c7bcccbb5dsha1: 59cb807951956f1c62e4cfb355d5529de0ca729esha256: dd2cb882d1c389c64e7648022451ddb335279ffe4564bafa932cc673273ebd29sha512: f21a00af7021f137e6336e4a9597239ecfb57ce77dd6888a3215e282de0b53b2690456e0e471a7a65339ef397767a27f762b5ad2f4a6f4356ef04ff809f3af3essdeep: 49152:20jk31lKmj3bGzIsT9tM1S17bNzy+lpDxiTjSsubd+OcKGZ6YT01MP4BSY:xgFlKa3mXT9e6NWKpNi6h5YZv79Ytype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F6D533317CC67F43CC5106F4CEBAEE0569248B5B0CB4866AD69C561FBC36A6A8744FE0sha3_384: 38fdb6a51e04edf9b2160fc53b3ff8cfbaa438b012c84a1cf4b729dd39e2027577c5767caefc0b7af718d74df55e45beep_bytes: e84b0100005389e3538b73088b7b10fctimestamp: 2022-01-04 17:52:45

Version Info:

0: [No Data]

Trojan.Win32.AntiVM.pef also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.398819
FireEye Generic.mg.a5aafab67dfcad2f
CAT-QuickHeal Trojan.SabsikRI.S22841427
ALYac Gen:Variant.Zusy.398819
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
Alibaba Trojan:Win32/AntiVM.5f217376
Cybereason malicious.67dfca
Arcabit Trojan.Zusy.D615E3
BitDefenderTheta AI:Packer.06753B1A1F
Cyren W32/Zusy.IQ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Themida.HNR
TrendMicro-HouseCall TROJ_GEN.R04AC0GA622
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.AntiVM.pef
BitDefender Gen:Variant.Zusy.398819
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
ViRobot Trojan.Win32.Z.Zusy.2870272
Avast Win32:CrypterX-gen [Trj]
Tencent Win32.Trojan.Antivm.Lneg
Ad-Aware Gen:Variant.Zusy.398819
Emsisoft Gen:Variant.Zusy.398819 (B)
Comodo Malware@#70yzrkqrpx43
TrendMicro TROJ_GEN.R04AC0GA622
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Themida
Jiangmin Trojan.AntiVM.ds
MaxSecure Trojan.Malware.137429624.susgen
Avira TR/Crypt.XPACK.Gen2
MAX malware (ai score=89)
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Gridinsoft Ransom.Win32.Sabsik.ns
Microsoft Trojan:Win32/Sabsik.FL.B!ml
GData Gen:Variant.Zusy.398819
AhnLab-V3 Infostealer/Win.CryptBot.R440484
Acronis suspicious
VBA32 BScope.TrojanPSW.Coins
Malwarebytes Trojan.Crypt
APEX Malicious
Rising Trojan.SelfDel!8.275 (CLOUD)
Yandex Trojan.Themida!Exl0++Uh4y8
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/PackedThemida.HNR!tr
Webroot W32.Trojan.Gen
AVG Win32:CrypterX-gen [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan.Win32.AntiVM.pef?

  • 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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