Categories: Trojan

Trojan.Crypt.NKN removal instruction

The Trojan.Crypt.NKN 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.Crypt.NKN virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Code injection with CreateRemoteThread in a remote process
  • Executed a process and injected code into it, probably while unpacking
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Network activity detected but not expressed in API logs
  • Connects to an IRC server, possibly part of a botnet

Related domains:

irc.zief.pl

How to determine Trojan.Crypt.NKN?


File Info:

crc32: 49445815md5: 2b9fac8500efb9b8782b4c86610dec1bname: 2B9FAC8500EFB9B8782B4C86610DEC1B.mlwsha1: badc59267a48c8bd80aac1f24a97a7a42b428abasha256: 388da8bf0c7966efc226244102b7d84ad8003e57abe113addca9f9d0d4a18e76sha512: c1086979808e6575da44b6b9b5fcb1cff88be83bedda6ca49675a9d274308b54058d06185e59ccb1d15db4acfaf2f4a48f7b02e57426dca9964795c0b58ee7e4ssdeep: 3072:BJ24REGKS7gzd2rI/ITJghl51Fs6FBugo1yO:ZE+gz14AzBu/1type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Crypt.NKN also known as:

Bkav W32.Vetor.PE
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Krypt.12
FireEye Generic.mg.2b9fac8500efb9b8
CAT-QuickHeal W32.Virut.G
ALYac Gen:Heur.Krypt.12
Cylance Unsafe
VIPRE Virus.Win32.Virut.ce (v)
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Heur.Krypt.12
Invincea ML/PE-A + W32/Scribble-B
Baidu Win32.Virus.Virut.gen
Cyren W32/Virut.AI
Symantec W32.Virut.CF
TotalDefense Win32/Virut.17408
APEX Malicious
Avast Win32:Vitro [Inf]
ClamAV Win.Trojan.Vbkryjetor-7588409-0
Kaspersky Virus.Win32.Virut.ce
NANO-Antivirus Virus.Win32.Virut.hpeg
ViRobot Win32.Virut.Gen.C
Tencent Virus.Win32.Virut.tt
Ad-Aware Gen:Heur.Krypt.12
Sophos W32/Scribble-B
Comodo Virus.Win32.Virut.CE@1fhkga
F-Secure Malware.W32/Virut.Gen
DrWeb Win32.HLLW.Autoruner2.18595
Zillya Virus.Virut.Win32.27
TrendMicro PE_VIRUX.A-1
McAfee-GW-Edition BehavesLike.Win32.Virut.cc
Emsisoft Gen:Heur.Krypt.12 (B)
Ikarus Virus.Virut
Jiangmin Win32/Virut.bn
Avira W32/Virut.Gen
eGambit Unsafe.AI_Score_99%
MAX malware (ai score=89)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Virus:Win32/Virut.BN
Arcabit Trojan.Krypt.12
ZoneAlarm Virus.Win32.Virut.ce
GData Gen:Heur.Krypt.12
Cynet Malicious (score: 100)
AhnLab-V3 Win32/Virut.F
Acronis suspicious
McAfee W32/Virut.af.gen
TACHYON Virus/W32.Virut.Gen
VBA32 Virus.Virut.06
Malwarebytes Trojan.Crypt.NKN
Panda W32/Sality.AO
Zoner Trojan.Win32.Virut.22005
ESET-NOD32 Win32/Virut.NBP
TrendMicro-HouseCall PE_VIRUX.A-1
Rising Virus.Virut!1.A08B (CLASSIC)
Yandex Trojan.GenAsa!gFG1DtlVO0g
SentinelOne Static AI – Malicious PE
MaxSecure Virus.Virut.CE
Fortinet W32/Virut.CE
BitDefenderTheta Gen:NN.ZevbaF.34634.jm0@aigNdwg
AVG Win32:Vitro [Inf]
Cybereason malicious.500efb
Qihoo-360 Virus.Win32.VirutChangeEntry.A

How to remove Trojan.Crypt.NKN?

  • 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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