Trojan.GandCrab

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan.GandCrab detection name means that your computer is in big danger. This malware can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be taken as soon as possible.
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Trojan.GandCrab detection is a malware detection you can spectate in your system. It frequently appears after the preliminary actions on your PC – opening the untrustworthy e-mail, clicking the banner in the Internet or installing the program from unreliable sources. From the moment it appears, you have a short time to do something about it until it begins its harmful action. And be sure – it is much better not to wait for these destructive effects.

What is Trojan.GandCrab virus?

Trojan.GandCrab is ransomware-type malware. It looks for the files on your disk, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a ton of harm to your system. It modifies the networking setups in order to stop you from reading the elimination guides or downloading the anti-malware program. Sometimes, Trojan.GandCrab can also stop the setup of anti-malware programs.

Trojan.GandCrab Summary

In summary, Trojan.GandCrab malware actions in the infected system are next:

  • 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;
  • Encrypting the documents kept on the target’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is challenging to imagine a more damaging virus for both individual users and organizations. The algorithms used in Trojan.GandCrab (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these bad things without delay – it may require up to a few hours to cipher all of your files. Thus, seeing the Trojan.GandCrab detection is a clear signal that you need to start the elimination procedure.

Where did I get the Trojan.GandCrab?

Ordinary tactics of Trojan.GandCrab injection are common for all other ransomware examples. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a relatively new strategy in malware distribution – you receive the e-mail that mimics some regular notifications about shipments or bank service conditions modifications. Inside of the e-mail, there is a malicious MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty simple, however, still demands tons of focus. Malware can hide in various places, and it is much better to stop it even before it invades your system than to trust in an anti-malware program. Basic cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can keep you a lot of money and time which you would certainly spend while trying to find a solution.

Trojan.GandCrab malware technical details

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
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 malware is incredibly difficult to delete manually. It places its documents in numerous locations throughout the disk, and can recover itself from one of the parts. In addition, a range of alterations in the registry, networking setups and also Group Policies are pretty hard to locate and return to the initial. It is better to use a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus elimination objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated almost every hour. Furthermore, it does not have such problems and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for clearing away malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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