Categories: Malware

MSIL/Kryptik.OTB (file analysis)

The MSIL/Kryptik.OTB 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 MSIL/Kryptik.OTB virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Starts servers listening on 127.0.0.1:0
  • The binary likely contains encrypted or compressed data.

How to determine MSIL/Kryptik.OTB?


File Info:

crc32: 7D36ECA9md5: 281e2a588e06a9f9a2515c6304ae6ce0name: 281E2A588E06A9F9A2515C6304AE6CE0.mlwsha1: 26419e31b88af698c554e469d9f4107c7981c8easha256: 2fefb2f4b8d6ae351c8940638ff0ce00aea9c26204eb2f93d6a40b0bcd4dda76sha512: 7b8cb75b25e6a3661e5315bb07d72470bb17dba919bd6954e94c92ec8772842ae873608315fd4ff3579e595c505539815f89d4ae41fc1435eec913ad70e14760ssdeep: 24576:xysqhtVDWYolXGdBjk6OVOGdsXbr57AOi:0sqpWYoBEjkTVOgGrdtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: Mozilla CorporationFileVersion: 53.0.2CompanyName: Mozilla CorporationLegalTrademarks: Firefox is a Trademark of The Mozilla Foundation.ProductName: FirefoxProductVersion: 53.0.2FileDescription: Firefox HelperOriginalFilename: helper.exeTranslation: 0x0409 0x04b0

MSIL/Kryptik.OTB also known as:

K7AntiVirus Trojan ( 700000121 )
Elastic malicious (high confidence)
DrWeb BackDoor.Wirenet.328
Cynet Malicious (score: 100)
ALYac Gen:Variant.MSILPerseus.100134
Cylance Unsafe
Zillya Trojan.Blocker.Win32.38392
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.a8a258fe
K7GW Trojan ( 700000121 )
Cybereason malicious.88e06a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.OTB
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Blocker.kbam
BitDefender Gen:Variant.MSILPerseus.100134
NANO-Antivirus Trojan.Win32.Blocker.eqlghx
MicroWorld-eScan Gen:Variant.MSILPerseus.100134
Tencent Malware.Win32.Gencirc.10bb39d2
Ad-Aware Gen:Variant.MSILPerseus.100134
Sophos Mal/Generic-S
Comodo Malware@#3v11oilisvr2c
BitDefenderTheta Gen:NN.ZemsilF.34670.8m0@auox2Rl
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXBQ-OO!281E2A588E06
FireEye Generic.mg.281e2a588e06a9f9
Emsisoft Gen:Variant.MSILPerseus.100134 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Inject.zly
Avira TR/Crypt.XPACK.Gen7
Microsoft Trojan:Win32/Ymacco.AA2F
Arcabit Trojan.MSILPerseus.D18726
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.MSILPerseus.100134
AhnLab-V3 Trojan/Win32.Blocker.C2423623
McAfee GenericRXBQ-OO!281E2A588E06
MAX malware (ai score=81)
Malwarebytes Malware.AI.2615956715
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!n5YrI7rqOJQ
Ikarus Trojan.MSIL.Krypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Generic.AP.8AE31E!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HwMA1U8A

How to remove MSIL/Kryptik.OTB?

  • 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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