Categories: Malware

MSIL/Injector.KDI removal

The MSIL/Injector.KDI 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/Injector.KDI virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • .NET file is packed/obfuscated with Confuser
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the DarkComet malware family
  • Creates a copy of itself
  • Interacts with known DarkComet registry keys
  • Creates known Fynloski/DarkComet mutexes
  • Anomalous binary characteristics

How to determine MSIL/Injector.KDI?


File Info:

name: F91C73D46F534C635E08.mlwpath: /opt/CAPEv2/storage/binaries/c98ec8add426ae470df8df9d9c9fe06ffdf3c6a137d3d4e04ec633365d11c884crc32: 51EBF379md5: f91c73d46f534c635e084ef78f82d452sha1: 0b92b7b215966f5fe8e105a67d363d72bdbae59fsha256: c98ec8add426ae470df8df9d9c9fe06ffdf3c6a137d3d4e04ec633365d11c884sha512: 2b92e0d35d4822b67861d6cf72a25d5f6cb7c0275e07a051e08ef36c02c4e2bafad851507a400d090d6d664bac5c02c26f8b5a5ddc063f403527ed018935ae1bssdeep: 12288:1mki+yVwGvOpxf7fAC8Xys+11lAPocZU2l5ChG96:IgGvO7TfuXys+11SPK2Stype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T127B4DF2129EF505DF3A39FB15FD8B9EF899AF273251E30B620420B468722E94CD52735sha3_384: 4a675632ba0cb634251e29e6316c8c4af110038a407a31e00426fc62dd0d0a8459e6ffad83e32fdc5cb1b54326fe408cep_bytes: ff250020400000000000000000000000timestamp: 2014-11-14 07:01:22

Version Info:

FileDescription: Block Level Backup EngineInternalName: RNSETUPOriginalFilename: RNSetup.DLLProductName: Shell executable of Setup program (32-bit)FileVersion: 17.0.15.10ProductVersion: 17.0.15.10CompanyName: RealNetworks, Inc.LegalCopyright: Copyright © RealNetworks, Inc. 1995-2012LegalTrademarks: RealAudio(tm) is a trademark of RealNetworks, Inc.Translation: 0x0409 0x04e4

MSIL/Injector.KDI also known as:

Bkav W32.AIDetectNet.01
Lionic Trojan.Win32.Generic.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Heur.MSIL.Krypt.11
FireEye Generic.mg.f91c73d46f534c63
CAT-QuickHeal Backdoor.Fynloski.A3
McAfee Artemis!F91C73D46F53
Zillya Backdoor.Androm.Win32.14804
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
K7GW Riskware ( 0040eff71 )
Cybereason malicious.46f534
BitDefenderTheta Gen:NN.ZemsilF.34682.Gm0@a4@sqmbi
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Injector.KDI
Kaspersky Backdoor.Win32.Androm.fykt
BitDefender Gen:Heur.MSIL.Krypt.11
NANO-Antivirus Trojan.Win32.Androm.dmgfwp
Cynet Malicious (score: 100)
Avast Win32:Agent-AWNK [Trj]
Ad-Aware Gen:Heur.MSIL.Krypt.11
Emsisoft Gen:Heur.MSIL.Krypt.11 (B)
VIPRE Gen:Heur.MSIL.Krypt.11
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
SentinelOne Static AI – Malicious PE
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Mal/MSIL-KL
APEX Malicious
GData Gen:Heur.MSIL.Krypt.11
Avira TR/Dropper.MSIL.Gen
Microsoft Trojan:Win32/Wacatac.B!ml
Google Detected
AhnLab-V3 Win-Trojan/MDA.630F094C.X1408
Acronis suspicious
VBA32 Dropper.MSIL.gen
ALYac Gen:Heur.MSIL.Krypt.11
MAX malware (ai score=81)
Rising Trojan.Generic/MSIL@AI.97 (RDM.MSIL:RIVQYa5EcAKrAgp/G/CzdA)
Yandex Backdoor.Androm!cW/X1zbv648
Ikarus Trojan-PSW.Win32.Tepfer
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/GHQ.KL!tr
AVG Win32:Agent-AWNK [Trj]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove MSIL/Injector.KDI?

  • 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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