Worm

Worm:Win32/Vobfus.EV (file analysis)

Malware Removal

The Worm:Win32/Vobfus.EV 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.EV 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
  • Unconventionial language used in binary resources: Sindhi
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Attempts to disable Windows Auto Updates
  • 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.EV?


File Info:

name: F43208EB0CA9BDA2C3D7.mlw
path: /opt/CAPEv2/storage/binaries/225105e1e79255b894f633deda4fe2144792311ddaaff7d38225ef940826777f
crc32: B1F28939
md5: f43208eb0ca9bda2c3d79f0fc89ad216
sha1: 40b0f244350c6bac4b9fa9227eb902158892fd27
sha256: 225105e1e79255b894f633deda4fe2144792311ddaaff7d38225ef940826777f
sha512: 63e18b8dafde0806c49dc7954f45674c8d2678ad9e55c51a6a5d227442f0603f28ac7cba46a935b2e3683fd264e1d4b8dad7b1f3eaf3bb6cda413aba0b8f2008
ssdeep: 6144:+m03PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/AS7:+muPhAmZIH+AK
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A034C7677F619848F43A15F459F3C3F21696E84DCA47420B5B303A2A2EFBE461D246B3
sha3_384: baa2092a194e73e843b23ce17d9312e8761b5281fa7ffcacd1c9a2b5626ff86779a3811e0bf0c34660d44ebf36fc7504
ep_bytes: 68a0124000e8f0ffffff000000000000
timestamp: 2012-05-03 05:51:34

Version Info:

Translation: 0x0409 0x04b0
ProductName: insnmhoszwt
FileVersion: 7.08.0002
ProductVersion: 7.08.0002
InternalName: grxxcoyile
OriginalFilename: grxxcoyile.exe

Worm:Win32/Vobfus.EV also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.95863
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.dt
McAfeeVBObfus.dv
MalwarebytesGeneric.Malware.AI.DDS
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 003c363a1 )
K7GWEmailWorm ( 003c363a1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZevbaF.36802.om0@a4EtMPfO
VirITTrojan.Win32.VBCrypt.EVL
SymantecW32.Changeup
tehtrisGeneric.Malware
ESET-NOD32Win32/AutoRun.VB.AVM
APEXMalicious
CynetMalicious (score: 100)
KasperskyWorm.Win32.Vobfus.dgsd
BitDefenderTrojan.GenericKDZ.95863
NANO-AntivirusTrojan.Win32.VB.rilqk
AvastWin32:VB-ACQT [Trj]
TencentWorm.Win32.Vobfus.n
TACHYONWorm/W32.Vobfus.233472.B
EmsisoftTrojan.GenericKDZ.95863 (B)
BaiduWin32.Worm.VB.aq
F-SecureTrojan.TR/Barys.992.JH.2
DrWebWin32.HLLW.Autoruner1.15339
VIPRETrojan.GenericKDZ.95863
TrendMicroWORM_VOBFUS.SMJ2
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.f43208eb0ca9bda2
SophosW32/SillyFD-W
IkarusTrojan.Win32.Vobfus
GDataTrojan.GenericKDZ.95863
JiangminTrojan/Generic.atfxu
WebrootW32.Obfuscated.Gen
GoogleDetected
AviraTR/Barys.992.JH.2
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.998
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.Generic.D17677
ViRobotTrojan.Win32.A.VB.233472.N
ZoneAlarmWorm.Win32.Vobfus.dgsd
MicrosoftWorm:Win32/Vobfus.EV
VaristW32/Vobfus.O.gen!Eldorado
AhnLab-V3Trojan/Win32.VB.R24513
Acronissuspicious
VBA32SScope.Malware-Cryptor.VBCR.3042
ALYacTrojan.GenericKDZ.95863
MAXmalware (ai score=84)
Cylanceunsafe
PandaW32/Vobfus.GEW.worm
TrendMicro-HouseCallWORM_VOBFUS.SMJ2
RisingTrojan.FakeIcon!1.64A2 (CLASSIC)
YandexTrojan.GenAsa!MsRL0fxcwn8
SentinelOneStatic AI – Malicious PE
FortinetW32/VBObfus.AU!tr
AVGWin32:VB-ACQT [Trj]
Cybereasonmalicious.b0ca9b
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Vobfus.b417f181

How to remove Worm:Win32/Vobfus.EV?

Worm:Win32/Vobfus.EV 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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