Sf:Crypt-G [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Sf:Crypt-G [Trj] malware detection usually means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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Sf:Crypt-G [Trj] detection is a malware detection you can spectate in your computer. It frequently shows up after the provoking actions on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Internet or setting up the program from untrustworthy sources. From the instance it appears, you have a short time to do something about it until it begins its malicious activity. And be sure – it is better not to await these destructive effects.

What is Sf:Crypt-G [Trj] virus?

Sf:Crypt-G [Trj] is ransomware-type malware. It looks for the documents on your disk drives, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this malware additionally does a ton of harm to your system. It alters the networking setups in order to prevent you from looking for the elimination guidelines or downloading the anti-malware program. In rare cases, Sf:Crypt-G [Trj] can also block the setup of anti-malware programs.

Sf:Crypt-G [Trj] Summary

In total, Sf:Crypt-G [Trj] malware activities 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;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the target’s disks — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a horror story for the last 4 years. It is difficult to realize a more dangerous virus for both individuals and companies. The algorithms used in Sf:Crypt-G [Trj] (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these terrible things without delay – it can take up to several hours to cipher all of your documents. Hence, seeing the Sf:Crypt-G [Trj] detection is a clear signal that you should begin the removal process.

Where did I get the Sf:Crypt-G [Trj]?

Common ways of Sf:Crypt-G [Trj] injection are common for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern strategy in malware distribution – you receive the email that imitates some standard notifications about shipments or bank service conditions changes. Inside of the e-mail, there is a corrupted MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks pretty easy, however, still demands tons of focus. Malware can hide in various places, and it is better to prevent it even before it goes into your computer than to rely on an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern world, even if your interaction with a computer remains on YouTube videos. That can save you a lot of money and time which you would spend while trying to find a solution.

Sf:Crypt-G [Trj] malware technical details

File Info:

name: 5623D40AF23135681A2E.mlw
path: /opt/CAPEv2/storage/binaries/4550cdf51be5afaf01d40800fbae7df5cb5e87ab502ede6e2f8442dd92749349
crc32: 1808208A
md5: 5623d40af23135681a2e7c86a49e1f68
sha1: 0abf0c9dd0df1a7647ba3fb60eb6d6cbaae230fb
sha256: 4550cdf51be5afaf01d40800fbae7df5cb5e87ab502ede6e2f8442dd92749349
sha512: 8b0143f73b50965bcacff5d2c2bc993f1e0a5bdb03e7032708b57dcc25a7ac8ae773f7af0bb59957b6e3155250dd7edbaeaff0a00d69f213022f6fc7351151cc
ssdeep: 768:5tSIGKl8x3qZfIfeMLf0fb4Zl3NjmAIkE0WZWkWuax+uffG8cL9IWFK:5tagZyeMVPyAV7WZWkWuluW8cL97F
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15E648D23FD608273C487967825A8871667FBAC350667E713DB90D8433C79EB89E26347
sha3_384: 1bcdb117b267b17d82c7a6b9fddb8208276fa0656a88826fc7d890d5d5f0d1d202736a824313579e3fd5beb1211d9144
ep_bytes: 4d5a0000000000000000000000000000
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Sf:Crypt-G [Trj] also known as:

K7AntiVirusTrojan ( 0055e40a1 )
K7GWTrojan ( 0055e40a1 )
Elasticmalicious (moderate confidence)
ESET-NOD32a variant of Win32/ServStart.DT
AvastSf:Crypt-G [Trj]
EmsisoftTrojan.Ransom.AHW (B)
SentinelOneStatic AI – Malicious PE
CynetMalicious (score: 100)
MAXmalware (ai score=84)
RisingBackdoor.Overie!1.64BD (CLASSIC)
AVGSf:Crypt-G [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Sf:Crypt-G [Trj]?

Sf:Crypt-G [Trj] malware is incredibly hard to erase by hand. It places its data in multiple locations throughout the disk, and can restore itself from one of the parts. Additionally, countless changes in the windows registry, networking setups and also Group Policies are quite hard to find and change to the initial. It is better to use a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated almost every hour. Furthermore, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for taking out 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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