Categories: Malware

How to remove “Jaik.49901”?

The Jaik.49901 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 Jaik.49901 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Spanish (Colombia)
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • Behavioural detection: Injection (inter-process)
  • Behavioural detection: Injection with CreateRemoteThread in a remote process
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • CAPE detected the Tofsee malware family
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Jaik.49901?


File Info:

name: 8CF3AE3BC54B4ACE3086.mlwpath: /opt/CAPEv2/storage/binaries/0de9e236e965bfc7ea43d96dcab910d96ca12af0028ba8411e22e2bba9079d78crc32: 31DD514Emd5: 8cf3ae3bc54b4ace3086968524cd1cfdsha1: 2a63778b9aa162873eeaf3104ccb11e7a5124fa6sha256: 0de9e236e965bfc7ea43d96dcab910d96ca12af0028ba8411e22e2bba9079d78sha512: 3ab64d95df01e62a7d160724e27e2975a7e6ce38512ce52b989f8351f0a343e42e2443a07800ffd96c6cddf93043fc3f459b9d0d88daf84c2d83f3162f007eb9ssdeep: 6144:mpjFDNLXiNHQ5UWKOaHcYW6ZjOBf0t79O:oZxiNHQ5zKOa8Yraf0thtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T144C67D3249BA44A2C03D40BCE69ABF11B6FE77B4D5EB416AE3913DF81C525E914C603Bsha3_384: 061d2a30ebcd59c9dabd1a83a593c2dd5d9b5813a409c5ea16247ce018aec2fffea3e9d2616d02030de87082c7c88e40ep_bytes: 8bff558bece8b6360000e8110000005dtimestamp: 2020-12-23 15:59:44

Version Info:

0: [No Data]

Jaik.49901 also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Vidar.15
Cynet Malicious (score: 100)
McAfee Packed-GEE!8CF3AE3BC54B
Cylance Unsafe
K7AntiVirus Trojan ( 0058c02f1 )
K7GW Trojan ( 0058c02f1 )
Cyren W32/Kryptik.FYI.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.HNSW
Kaspersky HEUR:Backdoor.Win32.Tofsee.gen
BitDefender Gen:Variant.Jaik.49901
NANO-Antivirus Trojan.Win32.Tofsee.jjnfwf
MicroWorld-eScan Gen:Variant.Jaik.49901
Avast Win32:BotX-gen [Trj]
Ad-Aware Gen:Variant.Jaik.49901
Sophos ML/PE-A
Baidu Win32.Trojan.Kryptik.jm
Zillya Trojan.Kryptik.Win32.3655820
McAfee-GW-Edition Packed-GEE!8CF3AE3BC54B
FireEye Generic.mg.8cf3ae3bc54b4ace
Emsisoft Gen:Variant.Jaik.49901 (B)
Ikarus Trojan.Win32
GData Win32.Trojan.BSE.1R8QSDA
Jiangmin TrojanSpy.Stealer.lhq
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=82)
Arcabit Trojan.Jaik.DC2ED
Microsoft Trojan:Win32/Sabsik.FL.B!ml
AhnLab-V3 Infostealer/Win.SmokeLoader.R459576
Acronis suspicious
VBA32 BScope.Malware-Cryptor.SmokeSoviet
ALYac Gen:Variant.Jaik.49901
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Yandex Trojan.Kryptik!810AAY+m36w
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_94%
Fortinet W32/Kryptik.HNSW!tr
AVG Win32:BotX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (D)

How to remove Jaik.49901?

  • 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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