Worm

Worm.Win32.Vobfus.efqn (file analysis)

Malware Removal

The Worm.Win32.Vobfus.efqn 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 Worm.Win32.Vobfus.efqn virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Worm.Win32.Vobfus.efqn?


File Info:

name: 931F960B4670B8BC9C6E.mlw
path: /opt/CAPEv2/storage/binaries/313b7bebdef70cce4adbfe10e843f620ad603aceffde0cb60c955b8d16ad1a6d
crc32: F5C40E1C
md5: 931f960b4670b8bc9c6efda00b1f18a3
sha1: 76662a35a48662d57a1bd183bf70128ff7c3c9eb
sha256: 313b7bebdef70cce4adbfe10e843f620ad603aceffde0cb60c955b8d16ad1a6d
sha512: cba648c40d005db9d3ff9c15e946ac11ad807de0b0f8ddecc6c999af64cf7c564d95bbbe2c5b5e0709828123bb533368c3b1b739477bd82765dfce7852aca87f
ssdeep: 6144:7T1pYGCleWHLNAnJHms8aBDR12SgqDxTd:7hdNnFV12VqD
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E374E636A2A0EB5AD815CAF0381E475491359CF425F1AB13BACC7AE573B0D4BE223357
sha3_384: be0154b355bb072510e07fc79fbfb2f59dbbcc92e9b72335a0cb8d238a565fb4f01fd9fe8eba3f014b424b17283153c8
ep_bytes: 68403b4000e8eeffffff000000000000
timestamp: 2011-10-07 14:01:47

Version Info:

Translation: 0x0409 0x04b0
ProductName: lFgPwLAI
FileVersion: 1.00
ProductVersion: 1.00
InternalName: VPNIyVKIyc
OriginalFilename: VPNIyVKIyc.exe

Worm.Win32.Vobfus.efqn also known as:

BkavW32.AIDetectMalware
LionicWorm.Win32.WBNA.lok1
AVGWin32:VB-YYJ [Trj]
MicroWorld-eScanGen:Heur.PonyStealer.MLT.1
FireEyeGeneric.mg.931f960b4670b8bc
CAT-QuickHealTrojan.Vobfus.gen
SkyhighBehavesLike.Win32.VBObfus.fm
McAfeeVBObfus.l
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Heur.PonyStealer.MLT.1
SangforSuspicious.Win32.Save.vb
CrowdStrikewin/malicious_confidence_100% (D)
K7GWEmailWorm ( 0054d10f1 )
K7AntiVirusEmailWorm ( 0054d10f1 )
BitDefenderThetaAI:Packer.930287F220
VirITTrojan.Win32.Zyx.EV
SymantecW32.Changeup!gen15
Elasticmalicious (high confidence)
ESET-NOD32Win32/AutoRun.VB.AQE
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Packer.VBCrypt-5731517-0
KasperskyWorm.Win32.Vobfus.efqn
BitDefenderGen:Heur.PonyStealer.MLT.1
NANO-AntivirusTrojan.Win32.Vobfus.crgjfy
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-YYJ [Trj]
TencentTrojan.Win32.Koobface.p
SophosMal/VBCheMan-J
BaiduWin32.Trojan.Inject.n
F-SecureWorm.WORM/Vobfus.nalw
DrWebTrojan.VbCrypt.77
TrendMicroWORM_VOBFUS.SMAC
Trapminemalicious.moderate.ml.score
EmsisoftGen:Heur.PonyStealer.MLT.1 (B)
IkarusWorm.Win32.Vobfus
VaristW32/Vobfus.Z.gen!Eldorado
AviraWORM/Vobfus.nalw
MAXmalware (ai score=86)
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.996
MicrosoftWorm:Win32/Vobfus!pz
XcitiumWorm.Win32.VB.AB@4pji3v
ArcabitTrojan.PonyStealer.MLT.1
ZoneAlarmWorm.Win32.Vobfus.efqn
GDataGen:Heur.PonyStealer.MLT.1
GoogleDetected
AhnLab-V3Trojan/Win32.Diple.R213988
Acronissuspicious
VBA32BScope.Trojan.Diple
TACHYONWorm/W32.Vobfus.339968
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SMAC
RisingWorm.VobfusEx!1.99DB (CLASSIC)
YandexTrojan.GenAsa!6bzyD6fxJDw
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBObfus.CM!tr
Cybereasonmalicious.b4670b
DeepInstinctMALICIOUS
alibabacloudWorm:Win/Vobfus.a59fb537

How to remove Worm.Win32.Vobfus.efqn?

Worm.Win32.Vobfus.efqn 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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