Malware

What is “Jaik.39881 (B)”?

Malware Removal

The Jaik.39881 (B) 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.39881 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Jaik.39881 (B)?


File Info:

name: 2837E782EF42D42AC235.mlw
path: /opt/CAPEv2/storage/binaries/ed691dff6d0223f631f2606cc16c410d14dcd54879960426352737059a0588d4
crc32: 23B2A6A1
md5: 2837e782ef42d42ac235c9b8f0aaa2b6
sha1: c8b1a7a20c7f1ef7051596c9e1a206c1f66d829a
sha256: ed691dff6d0223f631f2606cc16c410d14dcd54879960426352737059a0588d4
sha512: 1c1dfb30968e305931f5438d2791b09fb1905e1e31a730ae3d5a28ac45662c99f6b50970cf18286499a37779ad3c672125c79d176f9800420ade321fc841b0ec
ssdeep: 24576:91OYdalHZ8oy1Z+RDEu/TBfHI/6Gce6BLaOIhWDaTOCHvNxpnXWN8:91Oso8z8BbBPo6Gcx+YadH9XWN8
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16D35221039E4C6FAD29904328D582FD5F2F6C3280F318D6723E98A1D6FBCA95D252B5D
sha3_384: 00b14e3604f696f9f100c12724a23eaacbff85fa9268efd5a19b47245d5c4ffc130290e3bfbe80dc2868ff7e1a5abf67
ep_bytes: 558bec6aff68e0b94100682c4a410064
timestamp: 2010-11-18 16:27:35

Version Info:

CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 9.20
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2010 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 9.20
Translation: 0x0409 0x04b0

Jaik.39881 (B) also known as:

LionicTrojan.Win32.Jaik.4!c
MicroWorld-eScanGen:Variant.Jaik.39881
FireEyeGen:Variant.Jaik.39881
ALYacGen:Variant.Jaik.39881
MalwarebytesMalware.AI.36475836
SangforSuspicious.Win32.Jaik.39881
Cybereasonmalicious.2ef42d
APEXMalicious
BitDefenderGen:Variant.Jaik.39881
Ad-AwareGen:Variant.Jaik.39881
EmsisoftGen:Variant.Jaik.39881 (B)
VIPRETrojan.Win32.Generic!BT
GridinsoftRansom.Win32.Gen.sa
GDataGen:Variant.Jaik.39881
McAfeeArtemis!2837E782EF42
MAXmalware (ai score=86)
TrendMicro-HouseCallTROJ_GEN.R002H0CKI21
FortinetW32/PossibleThreat

How to remove Jaik.39881 (B)?

Jaik.39881 (B) 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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