Trojan

Trojan:Win32/SmokeLoader!MSR malicious file

Malware Removal

The Trojan:Win32/SmokeLoader!MSR 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:Win32/SmokeLoader!MSR virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Steals private information from local Internet browsers
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering
  • Collects information to fingerprint the system
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/SmokeLoader!MSR?


File Info:

name: 74C05D6C1062624BA0F6.mlw
path: /opt/CAPEv2/storage/binaries/8dfc8d29c6501eea191bb00d9d16303729c4bfd1b7bf896dcccf3290fcca9338
crc32: DB44A743
md5: 74c05d6c1062624ba0f6c453a48620c6
sha1: 29289e8ef5a9ad80562631b8348b218b204ba3a7
sha256: 8dfc8d29c6501eea191bb00d9d16303729c4bfd1b7bf896dcccf3290fcca9338
sha512: d36847f591083b3c10063d471d17f3257b186ca31974897e006f5937d085ed8874ebf7a6fd3a835f0f39566b31956d8bb092f6b631e91ea2cf4849e57f7ba6ae
ssdeep: 24576:jaApxEmUociWVxvX2LfeEyS2ZrU2xbVGUpgrnRiZqpd9plj:3pLfvjqltirnRiZqp/plj
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17B658D51F7426033E8D313BB89FE36FA8E386519030456DBD3845B69BA715E23A32D1B
sha3_384: 59aaf621da32b75b4488c27112f697724bb29517ee082f559c93ca967a4d86108e84f8fd434ea4a1c94c0dd5f9b13b37
ep_bytes: e899040000e974feffff836104008bc1
timestamp: 2021-12-10 06:37:58

Version Info:

FileVersion: 1.0.0.1
LegalCopyright: Copyright (C) 2019
ProductVersion: 1.0.0.1
Translation: 0x0409 0x04b0

Trojan:Win32/SmokeLoader!MSR also known as:

BkavW32.AIDetect.malware2
LionicAdware.Win32.ExtInstaller.2!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Razy.852832
FireEyeGeneric.mg.74c05d6c1062624b
CAT-QuickHealPUA.GenericRI.S23474139
ALYacGen:Variant.Razy.852832
CylanceUnsafe
ZillyaTrojan.Agent.Win32.2593601
SangforTrojan.Win32.Save.a
K7AntiVirusSpyware ( 005687281 )
AlibabaTrojanSpy:Win32/SmokeLoader.ffd3bbda
K7GWSpyware ( 005687281 )
Cybereasonmalicious.c10626
ArcabitTrojan.Razy.DD0360
CyrenW32/Socelars.L.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Spy.Agent.PYV
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Razy-9789744-0
KasperskyHEUR:Trojan.Script.FBStealer.gen
BitDefenderGen:Variant.Razy.852832
NANO-AntivirusRiskware.Win32.ExtInstaller.jiwcab
AvastWin32:PWSX-gen [Trj]
TencentMalware.Win32.Gencirc.10cf9934
Ad-AwareGen:Variant.Razy.852832
EmsisoftTrojan-Spy.Agent (A)
DrWebTrojan.Siggen15.49720
TrendMicroTROJ_GEN.R002C0PLA21
McAfee-GW-EditionBehavesLike.Win32.Dropper.th
SophosMal/Generic-S
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.PSW.Disbuk.dj
WebrootW32.Trojan.Gen
AviraTR/AD.DisSteal.heses
Antiy-AVLTrojan/Generic.ASMalwS.34E8A21
GridinsoftRansom.Win32.Sabsik.sa
MicrosoftTrojan:Win32/SmokeLoader!MSR
GDataWin32.Trojan.PSE.NT5BFT
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Socelars.C4656653
McAfeeGenericRXQO-VJ!74C05D6C1062
MAXmalware (ai score=85)
VBA32BScope.Trojan.Agentb
MalwarebytesSpyware.Socelars
TrendMicro-HouseCallTROJ_GEN.R002C0PLA21
RisingStealer.FBAdsCard!1.CE03 (CLOUD)
YandexPUA.ExtInstaller!BSV5meawKZw
FortinetW32/Socelars.S!tr.spy
BitDefenderThetaGen:NN.ZexaF.34114.CD0@a83@bwfj
AVGWin32:PWSX-gen [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/SmokeLoader!MSR?

Trojan:Win32/SmokeLoader!MSR removal tool
  • 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.

About the author

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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