Worm

Worm:Win32/Mothyfil.A (file analysis)

Malware Removal

The Worm:Win32/Mothyfil.A 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 Worm:Win32/Mothyfil.A virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Farsi
  • Authenticode signature is invalid

How to determine Worm:Win32/Mothyfil.A?


File Info:

name: 53268C87541A4023801A.mlw
path: /opt/CAPEv2/storage/binaries/bdb12302c3c9fc6d69b4ae2fc63103167404c750e0c610b9e2dc3c957099dc90
crc32: 99BFC39D
md5: 53268c87541a4023801a949f7b8ebbc5
sha1: 0b7d15aa63f63924ce406b9e3de8a527e5e70a02
sha256: bdb12302c3c9fc6d69b4ae2fc63103167404c750e0c610b9e2dc3c957099dc90
sha512: c4295df978f8e57d6cd53f4ead7234b629a77a7adbf3090dc2f04da165bbb86fbe33c6f91c0b832feacd2b900fac202978d592730329d7cd12170c1c089cf805
ssdeep: 6144:wr/Ao/nTiDSA5ZXc3w8yIuAElnJ8sYCx9AFT6pkx7QSs:wX/nTmGE4U6FTjQ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11764F713A610B01BF163C9F12D3991AA392A3D750680AC5BB781BF5D6935A93F8F131F
sha3_384: 979dee38c034c498c18c7d5ddff0360d1be4361528384d6604459f535cfa1151e254b94a5bc1f7b1d8977e7a8f5eba88
ep_bytes: 68b0374000e8eeffffff000000000000
timestamp: 2009-03-14 13:49:20

Version Info:

Translation: 0x0409 0x04b0
ProductName: Project1
FileVersion: 1.00
ProductVersion: 1.00
InternalName: k22
OriginalFilename: k22.exe

Worm:Win32/Mothyfil.A also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Siggen.36713
MicroWorld-eScanGen:Variant.Razy.368577
FireEyeGeneric.mg.53268c87541a4023
McAfeeGenericRXAA-FA!53268C87541A
MalwarebytesMalware.Heuristic.1001
VIPREGen:Variant.Razy.368577
SangforSuspicious.Win32.Save.vb
K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderThetaAI:Packer.9BECA70F20
VirITTrojan.Win32.Generic.DROPPER
CyrenW32/A-faf921fd!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/VB.OID
APEXMalicious
TrendMicro-HouseCallPAK_Otorun8
ClamAVWin.Dropper.Bancos-9859520-0
KasperskyTrojan.Win32.VB.dkhu
BitDefenderGen:Variant.Razy.368577
NANO-AntivirusVirus.Win32.Virut-Gen.bwpxnc
SUPERAntiSpywareTrojan.Agent/Gen-FraudBot
AvastWin32:Malware-gen
Ad-AwareGen:Variant.Razy.368577
EmsisoftGen:Variant.Razy.368577 (B)
ComodoVirus.Win32.Virut.Ce@1fy3nv
BaiduWin32.Trojan.VB.ar
ZillyaWorm.AutoRun.Win32.65956
TrendMicroPAK_Otorun8
McAfee-GW-EditionBehavesLike.Win32.VBObfus.fm
Trapminemalicious.high.ml.score
SophosML/PE-A + Mal/VB-MW
SentinelOneStatic AI – Malicious PE
JiangminTrojan/Banker.Bancos.ijq
GoogleDetected
AviraTR/Dropper.Gen
MAXmalware (ai score=86)
Antiy-AVLTrojan/Generic.ASMalwS.281
KingsoftWin32.HeurC.KVM006.a.(kcloud)
MicrosoftWorm:Win32/Mothyfil.A
GDataGen:Variant.Razy.368577
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Agent.286720.FX
VBA32BScope.Trojan.Wacatac
CylanceUnsafe
RisingTrojan.Agent!1.9D4E (CLASSIC)
YandexTrojan.GenAsa!PQQcg/kvoCw
IkarusTrojan-Banker.Win32.Bancos
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VB.OFA!tr
AVGWin32:Malware-gen
Cybereasonmalicious.7541a4
PandaTrj/Genetic.gen

How to remove Worm:Win32/Mothyfil.A?

Worm:Win32/Mothyfil.A 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.

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