Troj/GandCrab-A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Troj/GandCrab-A detection name means that your computer is in big danger. This computer virus can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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Troj/GandCrab-A detection is a virus detection you can spectate in your system. It frequently shows up after the preliminary activities on your computer – opening the untrustworthy email messages, clicking the banner in the Internet or setting up the program from untrustworthy sources. From the moment it shows up, you have a short time to take action until it begins its harmful action. And be sure – it is far better not to await these destructive things.

What is Troj/GandCrab-A virus?

Troj/GandCrab-A is ransomware-type malware. It looks for the files on your disk, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus also does a lot of damage to your system. It changes the networking settings in order to stop you from checking out the elimination guides or downloading the antivirus. In rare cases, Troj/GandCrab-A can also stop the launching of anti-malware programs.

Troj/GandCrab-A Summary

Summarizingly, Troj/GandCrab-A virus actions in the infected computer are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • The binary contains an unknown PE section name indicative of packing;
  • Executable file is packed/obfuscated with ASPack;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents located on the target’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a headache for the last 4 years. It is challenging to picture a more harmful virus for both individuals and businesses. The algorithms used in Troj/GandCrab-A (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. But that malware does not do all these bad things instantly – it may take up to several hours to cipher all of your documents. Therefore, seeing the Troj/GandCrab-A detection is a clear signal that you have to start the removal process.

Where did I get the Troj/GandCrab-A?

Common tactics of Troj/GandCrab-A distribution are basic for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free app, so-called bait emails and hacktools. Bait emails are a relatively new tactic in malware spreading – you receive the email that simulates some regular notifications about shipments or bank service conditions modifications. Within the email, there is a corrupted MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks quite uncomplicated, however, still needs tons of attention. Malware can hide in various places, and it is much better to stop it even before it goes into your PC than to rely on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can keep you a lot of time and money which you would certainly spend while looking for a fix guide.

Troj/GandCrab-A malware technical details

File Info:

name: 186EEEFED01F47D9A7BD.mlw
path: /opt/CAPEv2/storage/binaries/17ca6a9413833e96d7e5fb644fd16ee44d7516dda9336992d6b27a7db655841e
crc32: CE17B495
md5: 186eeefed01f47d9a7bde47c654417c1
sha1: b0ff2d2e56be67f18c77bd6dd09c16f665bbfd5f
sha256: 17ca6a9413833e96d7e5fb644fd16ee44d7516dda9336992d6b27a7db655841e
sha512: e9d5937672e6d95bdd161522d297f1fd98204c51e54cd38a412b04b7a3ecfe03121c185ce529f0592e8751b003b6d6f1aab6ce6042f2d68379fbd02f6eac65a8
ssdeep: 768:yoDjqZfCbROyyjl1ZgXBDclCGBTrsovVxVtVoZDxuha5:PKtC1OyyRCdxGBx9Xt6I
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T184F2F183775880FED7E833BFD29AB910DB3BF68742990DC7E5E040CE5D4A665608A153
sha3_384: 3581aac6f64962951b5638954019a2592a32735c61d507506bf2dafc39db66f88099fd13eacddce1520f5813c1585778
ep_bytes: 60e803000000e9eb045d4555c3e80100
timestamp: 2018-02-20 17:28:57

Version Info:

0: [No Data]

Troj/GandCrab-A also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanGeneric.Ransom.GandCrab.9FC6F471
FireEyeGeneric.mg.186eeefed01f47d9
CAT-QuickHealTrojan.Sigmal.S2139482
McAfeeGenericRXEH-WC!BAF0A76777C8
CylanceUnsafe
VIPREGeneric.Ransom.GandCrab.9FC6F471
K7AntiVirusRansomware ( 0053d33d1 )
K7GWRansomware ( 0053d33d1 )
Cybereasonmalicious.ed01f4
CyrenW32/GandCrab.AR.gen!Eldorado
SymantecRansom.GandCrab
ESET-NOD32a variant of Win32/Filecoder.GandCrab.H
APEXMalicious
ClamAVWin.Ransomware.Gandcrab-6667060-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGeneric.Ransom.GandCrab.9FC6F471
NANO-AntivirusTrojan.Win32.Inject.eyyizx
SUPERAntiSpywareRansom.GandCrab/Variant
AvastWin32:RansomX-gen [Ransom]
Ad-AwareGeneric.Ransom.GandCrab.9FC6F471
ComodoTrojWare.Win32.Trojan.XPACK.Gen@2ho5ur
DrWebTrojan.Encoder.24384
TrendMicroRansom.Win32.GANDCRAB.SMIU
McAfee-GW-EditionBehavesLike.Win32.Dropper.nc
Trapminemalicious.high.ml.score
SophosTroj/GandCrab-A
SentinelOneStatic AI – Suspicious PE
GDataWin32.Trojan-Ransom.GandCrab.C
JiangminTrojan.Generic.bzhzc
Antiy-AVLTrojan/Generic.ASMalwS.4BA4
ArcabitGeneric.Ransom.GandCrab.9FC6F471
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftRansom:Win32/Gandcrab
GoogleDetected
VBA32BScope.Trojan.Chapak
ALYacGeneric.Ransom.GandCrab.9FC6F471
MAXmalware (ai score=85)
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMIU
RisingRansom.GandCrab!1.B8D6 (TFE:5:03wE6wdNC6I)
YandexTrojan.GenAsa!N5wkFSylebY
IkarusTrojan-Ransom.GandCrab
MaxSecureTrojan.Malware.300983.susgen
BitDefenderThetaAI:Packer.D68DF8321F
AVGWin32:RansomX-gen [Ransom]

How to remove Troj/GandCrab-A?

Troj/GandCrab-A malware is incredibly hard to eliminate by hand. It places its documents in numerous places throughout the disk, and can restore itself from one of the elements. Moreover, a lot of changes in the registry, networking settings and also Group Policies are quite hard to discover and change to the original. It is far better to use a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware removal goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated almost every hour. In addition, it does not have such problems and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for getting rid of malware of any form.

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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