Categories: Trojan

Trojan.Win32.Jorik.Vobfus.gdcp (file analysis)

The Trojan.Win32.Jorik.Vobfus.gdcp 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 Trojan.Win32.Jorik.Vobfus.gdcp 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)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan.Win32.Jorik.Vobfus.gdcp?


File Info:

name: E22E4D4B9199CB2E7415.mlwpath: /opt/CAPEv2/storage/binaries/db7e2c547dfa7eb11e7bf9e637450bc9e8bee45898998cc879d1f31eb950ae68crc32: 837041BAmd5: e22e4d4b9199cb2e7415f51c3f8802cfsha1: de7615a94f5f3532531c7a8f7246a65407e06974sha256: db7e2c547dfa7eb11e7bf9e637450bc9e8bee45898998cc879d1f31eb950ae68sha512: 90153eba07dac170dc8490030adf25c70773bd877d3ee8e0a7ff83d90a801bdc5b4c8157a383a7c091e109f2fce5a95435c5c46277d08a5257a545671b346064ssdeep: 6144:3FZwK0OqFNLVJ6S0lE+6LVjlWPuEwTIwMe/wwUQO:3zyhNLVJ/nLVjlWPuEwctype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15844C62772D0F33AE121C6F5695993B4852EBC3116C6A807F6C12F1A77B2DA7A231317sha3_384: e9b0c64cbab698ad5480820f054ec2141caabd4c74424142dbe2e9bf050f4fa3a2ff955d25315a6e263972b867e4b43aep_bytes: 68ac4a4000e8eeffffff000000000000timestamp: 2012-10-13 18:27:31

Version Info:

Translation: 0x0409 0x04b0ProductName: CroupinessFileVersion: 6.53ProductVersion: 6.53InternalName: SilvanusOriginalFilename: Silvanus.exe

Trojan.Win32.Jorik.Vobfus.gdcp also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.WBNA.mepT
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Barys.950
ClamAV Win.Packer.VBCrypt-5731517-0
CAT-QuickHeal Trojan.Beebone.D
McAfee GenDownloader.rv
Malwarebytes VBObfus.Worm.Spreader.DDS
Zillya Trojan.Jorik.Win32.1004091
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Worm:Win32/Jorik.80eead5e
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.b9199c
BitDefenderTheta AI:Packer.EC9831A520
VirIT Trojan.Win32.Generic.CKRZ
Cyren W32/Vobfus.BE.gen!Eldorado
Symantec W32.Changeup
ESET-NOD32 a variant of Win32/VBObfus.CZ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Jorik.Vobfus.gdcp
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.Barys.cinaxh
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-AETI [Trj]
Tencent Trojan.Win32.Jorik.co
TACHYON Trojan/W32.VB-Jorik.270336.E
Emsisoft Gen:Variant.Barys.950 (B)
Baidu Win32.Worm.Pronny.d
F-Secure Trojan.TR/Barys.2655987
DrWeb Trojan.DownLoader7.7390
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SMJA
McAfee-GW-Edition BehavesLike.Win32.VBObfus.dm
FireEye Generic.mg.e22e4d4b9199cb2e
Sophos Mal/SillyFDC-W
SentinelOne Static AI – Suspicious PE
GData Gen:Variant.Barys.950
Jiangmin Worm/Vobfus.ivb
Avira TR/Barys.2655987
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium TrojWare.Win32.Pronny.EE@4qvpy8
Arcabit Trojan.Barys.950
ViRobot Worm.Win32.A.Vobfus.270336
ZoneAlarm Trojan.Win32.Jorik.Vobfus.gdcp
Microsoft Worm:Win32/Vobfus.gen!X
Google Detected
AhnLab-V3 Trojan/Win32.Menti.R27300
VBA32 BScope.Trojan.Diple
ALYac Gen:Variant.Barys.950
MAX malware (ai score=80)
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMJA
Rising Worm.Win32.WBNA.r (CLASSIC)
Ikarus Trojan.Win32.Otran
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.C!tr
AVG Win32:VB-AETI [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan.Win32.Jorik.Vobfus.gdcp?

  • 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.
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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