Categories: Virus

What is “Virus:Win32/Expiro!Z”?

The Virus:Win32/Expiro!Z 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Virus:Win32/Expiro!Z virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Unconventionial language used in binary resources: Arabic (Qatar)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Virus:Win32/Expiro!Z?


File Info:

name: 757B7FCB02A8C856A183.mlwpath: /opt/CAPEv2/storage/binaries/3096d55a1e6dae13e45f3b2701502f38ecff067f25f88330c8d3b0c95d32752bcrc32: 85CCF3CFmd5: 757b7fcb02a8c856a1837399f38bf287sha1: faf4c39542a5b50c536784d3493e6ab6511cfbb7sha256: 3096d55a1e6dae13e45f3b2701502f38ecff067f25f88330c8d3b0c95d32752bsha512: 7231fe1f65c50f95704b71bbaa6f52549879544b85b252ba06c79bb42324f6e2d070f8a589b305f79c64f45501197c1ade8e7187113717bc334cb96c36ef5782ssdeep: 49152:oclIdGF746//BraDy3jsQIo4JHL/DgFecz4O8b8ITDnlZeAgF7dg6qXr2E:ocl8s86/OTo4JHLUFWgFp3+Stype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17D06A02125D5CFE1C26F2171DC6ABAFA501BAE20CF554FCB6D803E1935305E2A936A1Fsha3_384: f23c60aca49865b042ed78958516c74bba0a6018977e048618d994220582469481afb47e34426ce5f0ab784a65e8e3daep_bytes: 605589e581ec08010000c745f40a0000timestamp: 2021-02-24 22:54:40

Version Info:

CompanyName: Adobe Systems IncorporatedFileDescription: Adobe Acrobat Reader DC FileVersion: 21.1.20142.424128LegalCopyright: Copyright 1984-2021 Adobe Systems Incorporated and its licensors. All rights reserved.ProductName: Adobe Acrobat Reader DCProductVersion: 21.1.20142.424128OriginalFilename: AcroRd32.exeTranslation: 0x0409 0x04e4

Virus:Win32/Expiro!Z also known as:

Bkav W32.Expiro2NHc.PE
Elastic malicious (high confidence)
MicroWorld-eScan Win32.Expiro.Gen.3
FireEye Generic.mg.757b7fcb02a8c856
CAT-QuickHeal W32.Expiro.L4
ALYac Win32.Expiro.Gen.3
Cylance Unsafe
Zillya Virus.Expiro.Win32.41
K7AntiVirus Virus ( 0040f4dc1 )
K7GW Virus ( 0040f4dc1 )
Cybereason malicious.b02a8c
Baidu Win32.Virus.Expiro.c
Cyren W32/Expiro.BJ
Symantec W32.Xpiro.F
ESET-NOD32 a variant of Win32/Expiro.NBZ
APEX Malicious
ClamAV Win.Virus.Expiro-9732563-0
Kaspersky Virus.Win32.Expiro.ar
BitDefender Win32.Expiro.Gen.3
NANO-Antivirus Virus.Win32.Expiro.clnvwd
Avast Win32:Xpirat [Inf]
Tencent Trojan.Win32.BitCoinMiner.la
Ad-Aware Win32.Expiro.Gen.3
Sophos ML/PE-A + W32/Expiro-S
Comodo Virus.Win32.Expiro.SR@564eat
DrWeb Win32.Expiro.80
VIPRE Virus.Win32.Expiro.p (v)
TrendMicro PE_EXPIRO.AR
Emsisoft Win32.Expiro.Gen.3 (B)
SentinelOne Static AI – Malicious PE
GData Win32.Expiro.Gen.3
Avira W32/Expiro.NS
Antiy-AVL Trojan/Generic.ASVirus.C5
Arcabit Win32.Expiro.Gen.3
Microsoft Virus:Win32/Expiro.gen!Z
Cynet Malicious (score: 100)
AhnLab-V3 Win32/Expiro5.Gen
Acronis suspicious
McAfee W32/Expiro.gen.p
MAX malware (ai score=82)
VBA32 BScope.Trojan.Vilsel
Malwarebytes Malware.AI.4238169828
TrendMicro-HouseCall PE_EXPIRO.AR
Rising Virus.Expiro!1.A140 (CLASSIC)
Fortinet W32/Expiro.W
BitDefenderTheta AI:FileInfector.6CBEB04B12
AVG Win32:Xpirat [Inf]
Panda W32/Expiro.O
CrowdStrike win/malicious_confidence_100% (D)

How to remove Virus:Win32/Expiro!Z?

  • 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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Paul Valéry

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