Malware

What is “W32.Expiro.R4”?

Malware Removal

The W32.Expiro.R4 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.
6-day free trial available.

What W32.Expiro.R4 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • A file was accessed within the Public folder.
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine W32.Expiro.R4?


File Info:

name: 18CFA1226F87B10858B8.mlw
path: /opt/CAPEv2/storage/binaries/aed4d896518029ca3f4c05e31d8be157f54757cf011a7531bc40d63e85dd8db4
crc32: 83DD3FD3
md5: 18cfa1226f87b10858b84d114dfd32ae
sha1: e0bbe1d51a343ea3256f6bf5343232c260aa2cb0
sha256: aed4d896518029ca3f4c05e31d8be157f54757cf011a7531bc40d63e85dd8db4
sha512: c46cfe23c12a4b653fc3b60553eb63b14d7b3af22af663b229809498b6362dcbc5069fdad0ff4dcbc0a4c134dc3b155037249a19f742764137c2dfdac53f126b
ssdeep: 24576:X3hEH3hlVodGl+gUKrMkzXa4P6/ndbwmZZvd0q:nhchl2dQUUMqXa4P0db/l0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18155BE31B3DFA298C62B49337EB9B3405EABF9621221BB572FD90D6C5590271232C753
sha3_384: 9c15e6b155eb9d4779742cf73d36083e23a958d8e9590b1e7f411192782ce9f4e1d926a4073e569a6ffa2132a3839386
ep_bytes: 5150528d0d18000000648b0101c801c8
timestamp: 2015-08-20 20:17:02

Version Info:

CompanyName: AutoIt Team
Comments: http://www.autoitscript.com/autoit3/
FileDescription: AutoIt v3 Script
FileVersion: 3, 3, 14, 2
InternalName: AutoIt3.exe
LegalCopyright: ©1999-2015 Jonathan Bennett & AutoIt Team
OriginalFilename: AutoIt3.exe
ProductName: AutoIt v3 Script
ProductVersion: 3, 3, 14, 2
Translation: 0x0809 0x04b0

W32.Expiro.R4 also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanWin32.Expiro.Gen.6
CAT-QuickHealW32.Expiro.R4
McAfeeTrojan-FUNU!18CFA1226F87
MalwarebytesGeneric.Malware.AI.DDS
VIPREWin32.Expiro.Gen.6
K7AntiVirusVirus ( 0059e5471 )
K7GWVirus ( 0059e5471 )
CrowdStrikewin/malicious_confidence_60% (D)
VirITWin32.Expiro.CV
CyrenW32/Expiro.AN.gen!Eldorado
ESET-NOD32a variant of Win32/Expiro.CP
APEXMalicious
ClamAVWin.Virus.Expiro-9935868-0
BitDefenderWin32.Expiro.Gen.6
NANO-AntivirusVirus.Win32.Gen.ccmw
AvastWin32:Xpirat-C [Inf]
EmsisoftWin32.Expiro.Gen.6 (B)
F-SecureMalware.W32/Infector.Gen8
DrWebWin32.Expiro.150
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.tc
Trapminesuspicious.low.ml.score
FireEyeGeneric.mg.18cfa1226f87b108
SentinelOneStatic AI – Suspicious PE
GDataWin32.Expiro.Gen.6
JiangminTrojan.Generic.hecsu
GoogleDetected
AviraW32/Infector.Gen8
MAXmalware (ai score=87)
Antiy-AVLVirus/Win32.Expiro.ndg
ArcabitWin32.Expiro.Gen.6
ZoneAlarmVirus.Win32.Expiro.ns
MicrosoftTrojan:Win32/Raccoon.EC!MTB
CynetMalicious (score: 100)
AhnLab-V3Virus/Win.Expiro.X2160
ALYacWin32.Expiro.Gen.6
VBA32BScope.Trojan.Wacatac
Cylanceunsafe
RisingTrojan.Generic@AI.93 (RDML:98OMJu/ckt6aj5+6mjk0Fg)
IkarusVirus.Win32.Expiro
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Expiro.NDG
AVGWin32:Xpirat-C [Inf]
Cybereasonmalicious.51a343

How to remove W32.Expiro.R4?

W32.Expiro.R4 removal tool
  • 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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Leave a Comment