Ransom • Trojan

What is “TrojanRansom.Cryptodef”?

Malware Removal

The TrojanRansom.Cryptodef 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 TrojanRansom.Cryptodef virus can do?

  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid

How to determine TrojanRansom.Cryptodef?



File Info:

name: 10D4C2E0A240D346EBB8.mlw
path: /opt/CAPEv2/storage/binaries/b1fd9375c0df200c817cf8c9a5ac99f91aa5a4bb82b64e56c2229b3429600537
crc32: 0E466913
md5: 10d4c2e0a240d346ebb8192fe181281c
sha1: 43341aed43aa04764066f149301c7cb8a562f79e
sha256: b1fd9375c0df200c817cf8c9a5ac99f91aa5a4bb82b64e56c2229b3429600537
sha512: c8833b907612ce1a3e2175eb5603449f548033fe9d7bb6abef95bccf50e6ff7c7717e50c4421081e45cd91d76204985ccd79b84948c549986a906db729afd061
ssdeep: 384:yPHWv6AMlEDPOEo6Yp19LjggggggLvggggggggUaocHd68:ymvHfElggggggLvggggggggUaocH/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19FB24EB42BC019A1E773CDB285B2618DE81D7E2336035D8E46B1F6414BF2BD379A295C
sha3_384: 5b3d9a455d4f60e9951eb90757385e73a7acd94799d4bd17a43826667acfdc4f801d43b78dbc9c0535850ca0061cebdc
ep_bytes: 60e80000000058059f0200008b3003f0
timestamp: 1992-05-31 15:52:29


Version Info:

CompanyName: Juice
FileDescription: Juice proged
FileVersion: Version 2.1.1
InternalName: Juice
LegalCopyright: Copyright by Sego© 
OriginalFilename: iJuice
Translation: 0x0409 0x04e3

TrojanRansom.Cryptodef also known as:

BkavW32.AIDetect.malware1
tehtrisGeneric.Malware
MicroWorld-eScanTrojan.Ppatre.Gen.1
ClamAVWin.Malware.Upatre-9848438-0
FireEyeGeneric.mg.10d4c2e0a240d346
CAT-QuickHealTrojan.UPMF.S20108991
McAfeeGenericRXAA-AA!10D4C2E0A240
CylanceUnsafe
ZillyaTrojan.Cryptodef.Win32.2717
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 0052964f1 )
K7GWTrojan ( 0052964f1 )
Cybereasonmalicious.0a240d
BaiduWin32.Trojan-Downloader.Waski.a
VirITTrojan.Win32.Panda.LFU
CyrenW32/S-02552467!Eldorado
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32Win32/TrojanDownloader.Waski.A
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Cryptodef.zv
BitDefenderTrojan.Ppatre.Gen.1
AvastWin32:Trojan-gen
TencentTrojan.Win32.Downloader.zv
Ad-AwareTrojan.Ppatre.Gen.1
EmsisoftTrojan.Ppatre.Gen.1 (B)
ComodoTrojWare.Win32.TrojanDownloader.Waski.DA@5iyglc
DrWebTrojan.PWS.Panda.7586
VIPRETrojan.Ppatre.Gen.1
TrendMicroTROJ_UPATRE.SM37
McAfee-GW-EditionBehavesLike.Win32.Generic.mm
Trapminemalicious.moderate.ml.score
SophosML/PE-A
IkarusTrojan.Win32.Bublik
GDataWin32.Trojan-Downloader.Upatre.BK
JiangminTrojan/Cryptodef.az
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Generic.ASMalwS.3B64
ArcabitTrojan.Ppatre.Gen.1
MicrosoftTrojan:Win32/Zbot.svfs!MTB
GoogleDetected
AhnLab-V3Trojan/Win.Cryptodef.R419707
VBA32TrojanRansom.Cryptodef
ALYacTrojan.Ppatre.Gen.1
MAXmalware (ai score=84)
MalwarebytesRansom.CryptoWall
TrendMicro-HouseCallTROJ_UPATRE.SM37
RisingDownloader.Waski!1.A489 (CLASSIC)
YandexTrojan.GenAsa!VEtETeVZk5M
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Upatre.Gen
FortinetW32/Kryptik.WASH!tr
BitDefenderThetaGen:NN.ZexaF.34646.bm1@aucLB6mi
AVGWin32:Trojan-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (D)

How to remove TrojanRansom.Cryptodef?

TrojanRansom.Cryptodef 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.

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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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