Trojan

Should I remove “Trojan.GandCrab”?

Malware Removal

The Trojan.GandCrab 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.GandCrab virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • HTTPS urls from behavior.
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • CAPE extracted potentially suspicious content
  • 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.
  • Authenticode signature is invalid
  • Detects the presence of Wine emulator via function name
  • Detects Sandboxie through the presence of a library
  • Detects SunBelt Sandbox through the presence of a library
  • Attempts to remove evidence of file being downloaded from the Internet
  • Fake User-Agent detected
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Operates on local firewall’s policies and settings
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Trojan.GandCrab?


File Info:

name: FBE9D20A104DB10CF5A4.mlw
path: /opt/CAPEv2/storage/binaries/fda119b53dc0885fdcbb6d4e99052c98abeccba98434850b6b7b966010aa682d
crc32: B47069E9
md5: fbe9d20a104db10cf5a41ba622f2bb38
sha1: 9876acd979eca9b068e111657c33d551d5428422
sha256: fda119b53dc0885fdcbb6d4e99052c98abeccba98434850b6b7b966010aa682d
sha512: 33f34f16148935b125f6ac87bdaf2aa9173c9c99e78cbfe888787669ddc6cef90b1fbc5c03c2d1cff37cda0d8eb2d7dc1fe4c711d85ad03cb2ac210b74e35d0b
ssdeep: 1536:U575kopvsdWkMwkoYEpqZlOGbKiQJR9mcsW0cdXXBrN4xb98Zrwky7LIpU:5dWkMBTEcDxPwR9m4XRrN4p9+MkZK
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T184935A03B5E28871E9B35D351874CAA15E3FB9121E208EAF6784176E5E381C09E36F77
sha3_384: b4d4e9e8ec8660c8275da20f67d8c72f819436b0fc8a9475d516dbdaabc3831b9a678aa5b1de36639f4d6eded67b911b
ep_bytes: e8ad030000e98efeffff558bec6a00ff
timestamp: 1996-02-28 04:41:50

Version Info:

0: [No Data]

Trojan.GandCrab also known as:

BkavW32.AIDetect.malware1
LionicTrojan.Win32.GandCrypt.tpxY
Elasticmalicious (high confidence)
FireEyeGeneric.mg.fbe9d20a104db10c
CAT-QuickHealW32.Virut.G
MalwarebytesTrojan.GandCrab
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 005332ac1 )
K7GWTrojan ( 005332ac1 )
CrowdStrikewin/malicious_confidence_90% (W)
BitDefenderThetaGen:NN.ZexaF.34114.fyW@aOeIkrji
VirITTrojan.Win32.Encoder.BKBW
CyrenW32/Kryptik.DBV.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GHHG
TrendMicro-HouseCallMal_HPGen-37b
ClamAVWin.Malware.Generickdz-6725210-0
KasperskyHEUR:Trojan-Downloader.Win32.Zenlod.gen
AlibabaRansom:Win32/GrandCrab.0dfc57d4
NANO-AntivirusTrojan.Win32.Encoder.febpsb
ViRobotTrojan.Win32.GandCrab.189449
RisingTrojan.Kryptik!1.B2AC (CLOUD)
SophosMal/Generic-R + Mal/GandCrab-G
ComodoTrojWare.Win32.Magniber.BGF@7ome3x
DrWebTrojan.Encoder.24384
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.Generic.nh
APEXMalicious
JiangminTrojan.GandCrypt.dw
AviraTR/Patched.Gen
Antiy-AVLTrojan/Win32.Chapak
GridinsoftRansom.Win32.Gandcrab.sa
MicrosoftRansom:Win32/GrandCrab.SA!MSR
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
GDataWin32.Worm.Phorpiex.VILZ0B
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Gandcrab.R229836
Acronissuspicious
McAfeeTrojan-FPSE!FBE9D20A104D
VBA32BScope.Trojan.Encoder
CylanceUnsafe
PandaTrj/CI.A
TencentMalware.Win32.Gencirc.10ba0215
YandexTrojan.GenAsa!yVJiA+rIltQ
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:Agent-BCHT [Trj]
Cybereasonmalicious.979eca
AvastWin32:Agent-BCHT [Trj]

How to remove Trojan.GandCrab?

Trojan.GandCrab 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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