Categories: Malware

Win32/Expiro.NAN information

The Win32/Expiro.NAN 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 Win32/Expiro.NAN virus can do?

  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is likely packed with VMProtect
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Win32/Expiro.NAN?


File Info:

name: AF1E37B61A4C7A18AEC9.mlwpath: /opt/CAPEv2/storage/binaries/db3bc715bfba7ef9db7d444b3f8e04508449849627e3e2bd564d4c606b8fe02dcrc32: B8AB8D8Bmd5: af1e37b61a4c7a18aec9c36ea0771eccsha1: 0212dfa5dea436642d47ceb3659613d5567cf4d4sha256: db3bc715bfba7ef9db7d444b3f8e04508449849627e3e2bd564d4c606b8fe02dsha512: 8aa45a0299f9f04395446ac04c49db8c00bbf67408f318942eee921601a7b158b5167bfcffef0504195c4fa364c9b1e1016f2b4fa0fcdc372463a63c05e847a3ssdeep: 6144:1/auogvgA8rFhe8MU65iKbMUZeBr9PislEN:1D7vqPe8MU65iK9CP4Ntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12D44AF5210E0CF3BD4E9B63D59AD3B6FDB687CA4BD6322261C7E44E1D7E24C304252A9sha3_384: a9aa010a5ef6176be2282627466f3dfca60ccd7e7c3ae84e0413e545366409e77eedc3bb0b6a9efbb37092f466be2450ep_bytes: 50519052905390545556575589e583ectimestamp: 2008-04-13 15:33:05

Version Info:

CompanyName: Microsoft CorporationFileDescription: Win32 Cabinet Self-Extractor FileVersion: 6.00.2900.5512 (xpsp.080413-2105)InternalName: Wextract LegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: WEXTRACT.EXE ProductName: Microsoft® Windows® Operating SystemProductVersion: 6.00.2900.5512Translation: 0x0409 0x04b0

Win32/Expiro.NAN also known as:

Bkav W32.Expiro1NHc.PE
AVG Win32:Xpiro [Inf]
Elastic malicious (high confidence)
DrWeb Win32.Expiro.47
MicroWorld-eScan Win32.Expiro.Gen.2
FireEye Generic.mg.af1e37b61a4c7a18
CAT-QuickHeal W32.Expiro.AX
Skyhigh BehavesLike.Win32.Expiro.dc
ALYac Win32.Expiro.Gen.2
Cylance unsafe
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Virus ( 0040f4dc1 )
K7GW Virus ( 0040f4dc1 )
Cybereason malicious.5dea43
BitDefenderTheta AI:FileInfector.1BB980DD12
VirIT Win32.Expiro.AA
Symantec W32.Xpiro.D
ESET-NOD32 Win32/Expiro.NAN
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Virus.Expiro-28
Kaspersky Virus.Win32.Expiro.ao
BitDefender Win32.Expiro.Gen.2
NANO-Antivirus Virus.Win32.Expiro.bfwzxr
Avast Win32:Xpiro [Inf]
Tencent Virus.Win32.Expiro.f
TACHYON Virus/W32.Expiro.C
Emsisoft Win32.Expiro.Gen.2 (B)
F-Secure Malware.W32/Infector.Gen8
Baidu Win32.Virus.Expiro.a
Zillya Virus.Expiro.Win32.24
TrendMicro PE_EXPIRO.JX
Trapmine malicious.high.ml.score
Sophos W32/Expiro-H
Ikarus Trojan.Win32.Vilsel
Jiangmin Win32/Expiro.r
Avira W32/Infector.Gen8
Antiy-AVL Virus/Win32.Expiro.ai
Kingsoft malware.kb.a.998
Xcitium Virus.Win32.Expiro.isn@4z1wg0
Arcabit Win32.Expiro.Gen.2
ViRobot Win32.Expiro.Gen.C
ZoneAlarm Virus.Win32.Expiro.ao
GData Win32.Expiro.Gen.2
Varist W32/Expiro.AF
AhnLab-V3 Win32/Expiro4.Gen
McAfee W32/Expiro.gen.d
MAX malware (ai score=89)
VBA32 Virus.Expiro.305
Malwarebytes Generic.Malware/Suspicious
Panda W32/Expiro.gen
TrendMicro-HouseCall PE_EXPIRO.JX
Rising Virus.Expiro!1.A140 (CLASSIC)
Yandex Win32.Expiro.Gen.7
SentinelOne Static AI – Malicious PE
MaxSecure Virus.Expiro.W
Fortinet W32/Expiro.fam
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Expiro.NAN?

  • 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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