Trojan

Trojan.CryptoWall removal

Malware Removal

The Trojan.CryptoWall 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.CryptoWall virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Spanish
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristics of Tinba malware

How to determine Trojan.CryptoWall?


File Info:

name: 587D9B9853AC2937B557.mlw
path: /opt/CAPEv2/storage/binaries/1cae078471fe3b7b102f8f43d5be241871741ebb79f1420e74280d2c9dcadea6
crc32: D485DCCA
md5: 587d9b9853ac2937b557359e1baee177
sha1: 66a61667ba3a739210968c1bc5bc6d647426ce50
sha256: 1cae078471fe3b7b102f8f43d5be241871741ebb79f1420e74280d2c9dcadea6
sha512: c00a88dcfb6d86ba2809af49ff151803b41dfb468d1db8bf780ae67f9e6ffe08f3611ff70e632a0fac689f6fc617399334e5a6bd6b71598d466c91cba0c2664d
ssdeep: 1536:6P3Ut5/ifxEIWnnF+BYFgdWfVej+6MhOUHFtBAy52n5egO7YZ4HY/MgbWGVxjuyZ:oO50xCnnbgboOovBz7RJILbdFtPBEG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1DDC38C4A9E620CEAF0389BF041A2E2B2593EEF3B655556CBD3C4DDCF785203016D3669
sha3_384: 0d69a195540789aeb575a0d3b632023f1ecdc7788c21510d0de02b9c755ff0ace4da7db7caba3e01f01717687c16af4e
ep_bytes: 558bec6aff68e8784000684061400064
timestamp: 2015-07-21 15:12:44

Version Info:

Comments:
CompanyName:
FileDescription: library
FileVersion: 1, 0, 0, 1
InternalName: library
LegalCopyright: Copyright ? 2011
LegalTrademarks:
OriginalFilename: library.exe
PrivateBuild:
ProductName: library
ProductVersion: 1, 0, 0, 1
SpecialBuild:
Translation: 0x0408 0x04e3

Trojan.CryptoWall also known as:

LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Mikey.20228
FireEyeGeneric.mg.587d9b9853ac2937
CAT-QuickHealTrojanPWS.Zbot.A4
ALYacGen:Variant.Mikey.20228
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.TinbaKD.2586917
K7AntiVirusTrojan ( 0055e3991 )
AlibabaTrojan:Win32/Bulta.78044901
K7GWTrojan ( 0055e3991 )
ArcabitTrojan.Mikey.D4F04
SymantecPUA.VOPackage
ESET-NOD32a variant of Win32/Injector.CFKK
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Mikey.20228
NANO-AntivirusTrojan.Win32.Dwn.duhhho
AvastWin32:Teerac-H [Trj]
TencentMalware.Win32.Gencirc.10c81db6
Ad-AwareGen:Variant.Mikey.20228
SophosMal/Generic-R + Troj/Tinba-AM
ComodoMalware@#39e5rgdcdh8u6
F-SecureHeuristic.HEUR/AGEN.1128857
DrWebTrojan.Siggen6.40373
ZillyaTrojan.Tinba.Win32.2707
McAfee-GW-EditionGeneric-FAWK!587D9B9853AC
EmsisoftGen:Variant.Mikey.20228 (B)
IkarusTrojan.Win32.Crypt
JiangminTrojan.Generic.bocze
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1128857
MAXmalware (ai score=100)
Antiy-AVLTrojan/Generic.ASMalwS.12C9B89
KingsoftWin32.Troj.GenericKD.v.(kcloud)
MicrosoftTrojan:Win32/Bulta!rfn
GDataGen:Variant.Mikey.20228
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.CryptoWall.R160136
McAfeeGeneric-FAWK!587D9B9853AC
VBA32BScope.Trojan.Miuref
MalwarebytesTrojan.CryptoWall
RisingMalware.Obscure/Heur!1.A89E (CLASSIC)
YandexTrojan.GenAsa!M0HMtk9tSPQ
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Injector.CKQT!tr
BitDefenderThetaGen:NN.ZexaF.34062.hq0@aaJr7Z5e
AVGWin32:Teerac-H [Trj]
PandaGeneric Suspicious

How to remove Trojan.CryptoWall?

Trojan.CryptoWall 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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