Categories: Backdoor

Should I remove “UDS:Backdoor.MSIL.LightStone”?

The UDS:Backdoor.MSIL.LightStone 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 UDS:Backdoor.MSIL.LightStone virus can do?

  • Detected script timer window indicative of sleep style evasion
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Network activity detected but not expressed in API logs
  • Attempts to interact with an Alternate Data Stream (ADS)

How to determine UDS:Backdoor.MSIL.LightStone?


File Info:

crc32: B0DAB414md5: 7dc9435074560c0eba662b3eea6cfa68name: 7DC9435074560C0EBA662B3EEA6CFA68.mlwsha1: df37a230d7dd153a2d9078c7f8753847279f2f33sha256: 6c3a2575d3325e7a0f520a5fefa0384855980461683e6c7463debbd668ab3258sha512: 60943ec748e0d6f3fd4a6c37dcf0af743a8d77bc17970564bbe929620ec97fefd7662bea35b9150c8c33f515ad687836aa12640c4eee921e5ed31527c70c67abssdeep: 49152:+V2qpnu9CHdfXynbvSFkzyQgJ2bO715eDf2UUpOIguVjkapjbA3IJwYY5+EEm8j:+QXCHMvDbgLh5UpUARuBkapjbKYpd7jtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

UDS:Backdoor.MSIL.LightStone also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056e5201 )
Elastic malicious (high confidence)
DrWeb Trojan.Inject4.12468
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.MSIL
ALYac Trojan.GenericKD.46472363
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Backdoor:MSIL/SpyNoon.7bfed3ee
K7GW Trojan ( 0056e5201 )
Cybereason malicious.074560
Cyren W64/Trojan.GGBJ-3240
Symantec Trojan.Gen.MBT
ESET-NOD32 multiple detections
APEX Malicious
Avast Win64:Trojan-gen
ClamAV Win.Malware.Uztuby-9848412-0
Kaspersky UDS:Backdoor.MSIL.LightStone.gen
BitDefender Trojan.GenericKD.46472363
NANO-Antivirus Trojan.Win64.Miner.iwfcej
ViRobot Trojan.Win32.Z.Uztuby.3660924
MicroWorld-eScan Trojan.GenericKD.46472363
Tencent Msil.Backdoor.Lightstone.Amcv
Ad-Aware Trojan.GenericKD.46472363
Sophos Mal/Generic-S
Comodo Malware@#19qz2fhl7izt3
BitDefenderTheta Gen:NN.ZemsilF.34738.1q0@auyGxcb
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0WF821
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
FireEye Trojan.GenericKD.46472363
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious SFX
Avira TR/Kryptik.iiuyg
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Trojan:MSIL/SpyNoon.RTU!MTB
AegisLab Trojan.MSIL.Miner.4!c
GData Win32.Trojan.BSE.96XFQO
AhnLab-V3 Trojan/Win.Generic.C4524629
McAfee Artemis!7DC943507456
MAX malware (ai score=80)
VBA32 Trojan.MSIL.Miner
Malwarebytes Trojan.BitCoinMiner
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R002C0WF821
Ikarus Trojan.MSIL.CoinMiner
MaxSecure Win.MxResIcn.Heur.Gen
Fortinet MSIL/GenKryptik.FFEV!tr
AVG Win64:Trojan-gen
Paloalto generic.ml

How to remove UDS:Backdoor.MSIL.LightStone?

  • 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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