Categories: Malware

What is “Win32/Kryptik.GJBR”?

The Win32/Kryptik.GJBR 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 Win32/Kryptik.GJBR virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Estonian
  • Detects Sandboxie through the presence of a library
  • Attempts to remove evidence of file being downloaded from the Internet
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • A system process is generating network traffic likely as a result of process injection
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Creates a copy of itself

Related domains:

milliaoin.info
lionoi.adygeya.su
ionoiddi.mangyshlak.su
missidiowi.xyz
io90s8dudi.xyz

How to determine Win32/Kryptik.GJBR?


File Info:

crc32: DCBFDAAAmd5: 50e22beb41a5ef7a0cbde8bb3e2a1eaaname: 50E22BEB41A5EF7A0CBDE8BB3E2A1EAA.mlwsha1: 39428298425f223f7bce33aae0e272a165dfb5e4sha256: 4e4700b68451c8fc77c6ed0991293458e5054cf6d3e483a5cd83d7c0d7ae9a65sha512: e959986026e2a07effa51b316989e12131a14fca6cb18e59505aee21fb86b6b75511d4b014a4c22118091801f329c6d5548627e7c68561b4b5f6ee9fd6e5fadfssdeep: 3072:7B7hD9c5sAYoy3a5KSLN6EorlHfJ5IhqBoNtT4q0c8saCvv:7rWsADyRSLwEoryU6tkqThaCntype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Win32/Kryptik.GJBR also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.BRMon.Gen.4
FireEye Generic.mg.50e22beb41a5ef7a
CAT-QuickHeal Trojan.Chapak.ZZ6
McAfee Packed-FJJ!50E22BEB41A5
Cylance Unsafe
AegisLab Trojan.Win32.GandCrypt.trv4
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.BRMon.Gen.4
K7GW Riskware ( 0040eff71 )
Cybereason malicious.b41a5e
Cyren W32/Kryptik.HB.gen!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Bunitu.8fa6475f
NANO-Antivirus Trojan.Win32.GandCrypt.ffqvhp
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Ad-Aware Trojan.BRMon.Gen.4
Emsisoft Trojan.BRMon.Gen.4 (B)
Comodo TrojWare.Win32.TrojanDownloader.Godzilla.B@7tk49d
F-Secure Heuristic.HEUR/AGEN.1102756
DrWeb Trojan.Encoder.24384
Zillya Trojan.GenericKDZ.Win32.2111
TrendMicro Ransom_GANDCRAB.SMALY-3
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
Sophos Mal/Generic-R + Mal/GandCrab-B
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.GandCrypt.hm
MaxSecure Ransomeware.GandCrypt.Gen
Avira HEUR/AGEN.1102756
MAX malware (ai score=88)
Antiy-AVL Trojan[Ransom]/Win32.GandCrypt
Microsoft TrojanProxy:Win32/Bunitu.Q!bit
Arcabit Trojan.BRMon.Gen.4
SUPERAntiSpyware Trojan.Agent/Gen-Emotet
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BRMon.Gen.4
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab04.Exp
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.muW@aSz2DdnI
ALYac Trojan.Ransom.GandCrab
VBA32 BScope.Trojan.Vigorf
Malwarebytes Generic.Malware/Suspicious
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GJBR
TrendMicro-HouseCall Ransom_GANDCRAB.SMALY-3
Tencent Win32.Backdoor.Mokes.Swba
Yandex Trojan.GandCrypt!BsBSXOn0sxo
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.GJBV!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.e2e

How to remove Win32/Kryptik.GJBR?

  • 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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