Trojan

Trojan:Win32/Downloader.CK!MTB removal

Malware Removal

The Trojan:Win32/Downloader.CK!MTB 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/Downloader.CK!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Arabic (Iraq)
  • Authenticode signature is invalid
  • Collects and encrypts information about the computer likely to send to C2 server
  • Collects information about installed applications
  • CAPE detected the DridexLoader malware family
  • Attempts to modify proxy settings

How to determine Trojan:Win32/Downloader.CK!MTB?


File Info:

name: D6DE22D0746F59577AEA.mlw
path: /opt/CAPEv2/storage/binaries/243397924ae91a06e5a7bfd09f322c695d7b110b856986712f1596a782bd396d
crc32: F78AAF19
md5: d6de22d0746f59577aeac20b8cde78d0
sha1: ebe45c843db9c1d8aeb9914cca0caf59310cb81f
sha256: 243397924ae91a06e5a7bfd09f322c695d7b110b856986712f1596a782bd396d
sha512: a9ddb562b20d68d71c750cabcb8f090d471cddc4b8f4adcc8936419196e5e9c9f4c56c4e7037c137602ad66723cbd98f71c5508c011970d72d3926804fec80ae
ssdeep: 12288:uh8VWwkjZvPgkPchn3n3n3n3n3n3nSLFPMdV4Fgw:m86pPcQJkdV4Kw
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T110351238FE9C5BABE54949B280577AB2ABFEF4111771C1A39FC680175D043E26D63223
sha3_384: f131e5b5b6336640cf45e006a4a2c3d69bfbb182649ad07c6639a9473445b19f7d79d459ed68a21b9e9f3c4304d73a82
ep_bytes: 558bec83ec28c745fc00000000837dfc
timestamp: 2021-11-11 08:07:24

Version Info:

CompanyName: AVG Technologies CZ, s.r.o.
FileDescription: aswChLic component
FileVersion: 17.3.3443.0
InternalName: aswChLic
LegalCopyright: Copyright (C) 2014 AVG Technologies CZ, s.r.o.
OriginalFilename: aswChLic.exe
ProductName: AVG Internet Security System
ProductVersion: 17.3.3443.0
Translation: 0x0009 0x04b0

Trojan:Win32/Downloader.CK!MTB also known as:

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Generic.4!c
DrWebTrojan.Dridex.735
CynetMalicious (score: 100)
CAT-QuickHealTrojan.GenericPMF.S24772248
McAfeeGenericRXQT-TM!D6DE22D0746F
CylanceUnsafe
ZillyaDownloader.Cridex.Win32.954
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 0058a25d1 )
AlibabaTrojan:Win32/Kryptik.29dbe8e0
K7GWTrojan ( 0058a25d1 )
Cybereasonmalicious.43db9c
ArcabitTrojan.Lazy.D52F
BitDefenderThetaGen:NN.ZexaF.34084.dr0@aGlb1fkO
VirITTrojan.Win32.Genus.KYP
CyrenW32/Kryptik.FQK.gen!Eldorado
ESET-NOD32a variant of Win32/Kryptik.HNGC
TrendMicro-HouseCallTROJ_GEN.R002C0DLB21
Paloaltogeneric.ml
ClamAVWin.Packed.Lazy-9909001-0
KasperskyUDS:Trojan.Win32.Generic
BitDefenderGen:Variant.Lazy.1327
SUPERAntiSpywareTrojan.Agent/Gen-Dridex
MicroWorld-eScanGen:Variant.Lazy.1327
AvastWin32:BotX-gen [Trj]
TencentMalware.Win32.Gencirc.10cf85eb
Ad-AwareGen:Variant.Lazy.1327
SophosML/PE-A + Mal/EncPk-APV
TrendMicroTROJ_GEN.R002C0DLB21
McAfee-GW-EditionBehavesLike.Win32.PinkSbot.tm
FireEyeGeneric.mg.d6de22d0746f5957
EmsisoftGen:Variant.Lazy.1327 (B)
IkarusTrojan.Win32.Crypt
JiangminTrojanDownloader.Cridex.alp
AviraTR/AD.Dridex.kphwg
Antiy-AVLTrojan/Generic.ASMalwS.34CC446
GridinsoftRansom.Win32.Zbot.sa
MicrosoftTrojan:Win32/Downloader.CK!MTB
GDataWin32.Trojan.PSE.6GAFOH
TACHYONTrojan/W32.Agent.1101824.HV
AhnLab-V3Trojan/Win.Generic.R449813
Acronissuspicious
VBA32BScope.Trojan.MulDrop
ALYacGen:Variant.Lazy.1327
MAXmalware (ai score=84)
MalwarebytesTrojan.Downloader
APEXMalicious
RisingTrojan.Kryptik!1.D606 (CLASSIC)
YandexTrojan.Agent!yPf9OQDL3W8
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.121218.susgen
FortinetW32/GenKryptik.FMFO!tr
AVGWin32:BotX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/Downloader.CK!MTB?

Trojan:Win32/Downloader.CK!MTB 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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