Worm

What is “Worm.Win32.Vobfus.efoj”?

Malware Removal

The Worm.Win32.Vobfus.efoj 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.efoj 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.efoj?


File Info:

name: D886C9ADFD37A8F64EBD.mlw
path: /opt/CAPEv2/storage/binaries/658d7de75aefe0258ba3620e341c543cde65de9f21032fa1a9637344a4a05ef7
crc32: F498F6C0
md5: d886c9adfd37a8f64ebda6c1be0895a1
sha1: 24a217865e9858c2730557086a8aed4d1a4ec14c
sha256: 658d7de75aefe0258ba3620e341c543cde65de9f21032fa1a9637344a4a05ef7
sha512: afc0011da25ead278bf35f26ef683089849499d6bacf2d6a9480fc3600afa690ca532541d9e014573eb60db69a284928946010c2a3dfcd5fc0c9c5e3eb38cf3d
ssdeep: 3072:WVZuLL2zYLzEi4AH+huHLVYMMfYPHdtlRlgbHqiE5j4oQ4T:AZun2zYvt4m+KL04lRqjedfT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14FE3932A7790F37AC925C6F83D1A82A4A079ED3525D16C03F7C26F2676B1D6BD220353
sha3_384: d7c25248a9dbb57b53c65095bda0df8f785016d9e17b1f39868cef9a3e119707316820a6ed5822bf9ebb409d4f89f0f6
ep_bytes: 6810334000e8f0ffffff000000000000
timestamp: 2011-09-18 14:06:14

Version Info:

Translation: 0x0409 0x04b0
ProductName: uqRLgXiA
FileVersion: 1.00
ProductVersion: 1.00
InternalName: nbGHVKExkbcAAHjTdqWo
OriginalFilename: nbGHVKExkbcAAHjTdqWo.exe

Worm.Win32.Vobfus.efoj also known as:

BkavW32.AIDetectMalware
AVGWin32:AutoRun-CHQ [Trj]
Elasticmalicious (high confidence)
DrWebTrojan.VbCrypt.60
MicroWorld-eScanGen:Heur.Conjar.1
FireEyeGeneric.mg.d886c9adfd37a8f6
CAT-QuickHealTrojan.Vobfus.gen
SkyhighBehavesLike.Win32.VBObfus.cm
McAfeeVBObfus.bn
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Heur.Conjar.1
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.dfd37a
BitDefenderThetaAI:Packer.048EF35720
VirITTrojan.Win32.Llac.BJSA
SymantecW32.Changeup!gen15
ESET-NOD32Win32/AutoRun.VB.ALT
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Trojan.Changeup-6169544-0
KasperskyWorm.Win32.Vobfus.efoj
BitDefenderGen:Heur.Conjar.1
NANO-AntivirusTrojan.Win32.Vobfus.csfhef
SUPERAntiSpywareTrojan.Agent/Gen-FakeAV
AvastWin32:AutoRun-CHQ [Trj]
TencentTrojan.Win32.Koobface.p
EmsisoftGen:Heur.Conjar.1 (B)
F-SecureTrojan.TR/Conjar.1556484
BaiduWin32.Trojan.Inject.n
TrendMicroWORM_VOBFUS.SMHE
Trapminemalicious.high.ml.score
SophosMal/VB-ABH
SentinelOneStatic AI – Malicious PE
VaristW32/Vobfus.V.gen!Eldorado
AviraTR/Conjar.1556484
MAXmalware (ai score=88)
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
MicrosoftWorm:Win32/Vobfus.gen!N
XcitiumTrojWare.Win32.Agent.HGD@4ldfh3
ArcabitTrojan.Conjar.1
ZoneAlarmWorm.Win32.Vobfus.efoj
GDataGen:Heur.Conjar.1
GoogleDetected
AhnLab-V3Trojan/Win32.Diple.R13793
Acronissuspicious
VBA32BScope.Trojan.VB.Diple.01583
TACHYONTrojan/W32.VB-Diple.155648.E
Cylanceunsafe
PandaW32/Vobfus.GEW.worm
TrendMicro-HouseCallWORM_VOBFUS.SMHE
RisingWorm.VobfusEx!1.99DB (CLASSIC)
YandexTrojan.GenAsa!0bX2DY7+WrU
IkarusTrojan.Win32.Spy
FortinetW32/VB.CNE!worm
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)
alibabacloudTrojan:Win/Conjar.1a52f908

How to remove Worm.Win32.Vobfus.efoj?

Worm.Win32.Vobfus.efoj 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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