Worm

Worm.Win32.Vobfus.efna removal tips

Malware Removal

The Worm.Win32.Vobfus.efna 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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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.
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What Worm.Win32.Vobfus.efna virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • 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
  • 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.efna?


File Info:

name: C8BF4458EB3EA14BA6A8.mlw
path: /opt/CAPEv2/storage/binaries/bd9469b1a854f524c136e04c1c348e4968ff0c5c8010c613aac3b965885c1801
crc32: 635A4489
md5: c8bf4458eb3ea14ba6a889a16880382d
sha1: 0879da4f062c48147c782139a8ac70ef8b87e2e0
sha256: bd9469b1a854f524c136e04c1c348e4968ff0c5c8010c613aac3b965885c1801
sha512: b36e482e2f1a80037987b97117075626b388ba282719e28fc163e899424dbe7ce7eb20326e2b5a87350343cb0c2103cdf8aeb1bffcfa4eff98cceb46c46408a7
ssdeep: 3072:GuD+WuMBspr8+k77/pswWR/x0+dv4TLxyK4c4oQZiEMsp4z:5SWuMBsFvS04+dv4TV9Wys+
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D204B42A7691F23AD410CAF4391A83A0987DEC3624E6BD17F7C25B16B7F1C979220753
sha3_384: ca96d2c46cb3850bc3ae2cbf931bc31066ef3198e694b4afd7d6944042531da69046bda8be28913031b0cd3b57c947bb
ep_bytes: 6838384000e8f0ffffff000000000000
timestamp: 2006-11-21 13:19:16

Version Info:

Translation: 0x0409 0x04b0
ProductName: vUsXJOeCXn
FileVersion: 1.00
ProductVersion: 1.00
InternalName: IjmljKwzMFWvGL
OriginalFilename: IjmljKwzMFWvGL.exe

Worm.Win32.Vobfus.efna also known as:

BkavW32.AIDetectMalware
DrWebTrojan.VbCrypt.60
MicroWorld-eScanGen:Trojan.Sresmon.Gen.1
ClamAVWin.Trojan.VB-1488
FireEyeGeneric.mg.c8bf4458eb3ea14b
CAT-QuickHealTrojan.Vobfus.gen
SkyhighBehavesLike.Win32.VBObfus.cm
McAfeeVBObfus.bb
Cylanceunsafe
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
AlibabaMalware:Win32/km_2f34.None
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.f062c4
BitDefenderThetaAI:Packer.7874102D20
VirITWorm.Win32.Generic.AYPG
SymantecW32.Changeup!gen15
Elasticmalicious (high confidence)
ESET-NOD32Win32/AutoRun.VB.AKZ
APEXMalicious
CynetMalicious (score: 100)
KasperskyWorm.Win32.Vobfus.efna
BitDefenderGen:Trojan.Sresmon.Gen.1
NANO-AntivirusTrojan.Win32.VB.hlkida
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:AutoRun-CNS [Trj]
TencentTrojan.Win32.Koobface.p
EmsisoftGen:Trojan.Sresmon.Gen.1 (B)
F-SecureTrojan.TR/Agent.hjmr
BaiduWin32.Worm.Pronny.d
VIPREGen:Trojan.Sresmon.Gen.1
TrendMicroWORM_VOBFUS.SMAC
Trapminemalicious.moderate.ml.score
SophosMal/VB-ABH
IkarusWorm.Win32.WBNA
GDataGen:Trojan.Sresmon.Gen.1
GoogleDetected
AviraTR/Agent.hjmr
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.Sresmon.Gen.1
ZoneAlarmWorm.Win32.Vobfus.efna
MicrosoftWorm:Win32/Vobfus.gen!N
VaristW32/Vobfus.V.gen!Eldorado
AhnLab-V3Trojan/Win32.Diple.C60910
Acronissuspicious
VBA32BScope.Trojan.Diple
MAXmalware (ai score=82)
MalwarebytesGeneric.Malware.AI.DDS
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SMAC
RisingWorm.VBCode!1.99BC (CLASSIC)
YandexTrojan.GenAsa!TV0xXeGkJ00
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBKrypt.C!tr
AVGWin32:AutoRun-CNS [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Worm.Win32.Vobfus.efna?

Worm.Win32.Vobfus.efna 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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