Backdoor:Win32/Farfli.BI!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Backdoor:Win32/Farfli.BI!MTB detection means that your PC is in big danger. This virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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Backdoor:Win32/Farfli.BI!MTB detection is a virus detection you can spectate in your computer. It usually shows up after the provoking activities on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Web or installing the program from unreliable sources. From the instance it appears, you have a short time to act before it begins its harmful activity. And be sure – it is better not to await these harmful actions.

What is Backdoor:Win32/Farfli.BI!MTB virus?

Backdoor:Win32/Farfli.BI!MTB is ransomware-type malware. It looks for the files on your computer, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a lot of harm to your system. It changes the networking setups in order to avoid you from reading the elimination tutorials or downloading the anti-malware program. In rare cases, Backdoor:Win32/Farfli.BI!MTB can additionally prevent the setup of anti-malware programs.

Backdoor:Win32/Farfli.BI!MTB Summary

Summarizingly, Backdoor:Win32/Farfli.BI!MTB ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • CAPE extracted potentially suspicious content;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Encrypting the documents located on the target’s drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a horror story for the last 4 years. It is hard to realize a more dangerous virus for both individuals and corporations. The algorithms used in Backdoor:Win32/Farfli.BI!MTB (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 already exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it may require up to several hours to cipher all of your files. Therefore, seeing the Backdoor:Win32/Farfli.BI!MTB detection is a clear signal that you must start the clearing process.

Where did I get the Backdoor:Win32/Farfli.BI!MTB?

Usual tactics of Backdoor:Win32/Farfli.BI!MTB spreading are basic for all other ransomware examples. Those are one-day landing sites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a quite new method in malware spreading – you receive the email that mimics some normal notifications about shippings or bank service conditions modifications. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly simple, however, still needs a lot of attention. Malware can hide in different places, and it is far better to prevent it even before it invades your computer than to rely upon an anti-malware program. Common cybersecurity awareness is just an essential item in the modern world, even if your interaction with a computer stays on YouTube videos. That can save you a lot of time and money which you would spend while trying to find a fixing guide.

Backdoor:Win32/Farfli.BI!MTB malware technical details

File Info:

name: A503C99F3ACDF817676D.mlw
path: /opt/CAPEv2/storage/binaries/9606fb7343b1ea49eb7bcf61c85488eb2b42beb46c3460e13dd1bbbe425e08d5
crc32: 5B8C6650
md5: a503c99f3acdf817676dd8b1e958a534
sha1: c4377461ab69bbe605ef793485eb2264e7d8f369
sha256: 9606fb7343b1ea49eb7bcf61c85488eb2b42beb46c3460e13dd1bbbe425e08d5
sha512: 9de81eef0c69fad84010ac51498064308b0cb3d01bc94dfb88649157a775b474ae6ce8bd05247be26c108edf9efc09ccec1c4397e6bfe3d57ddf62665bf179c7
ssdeep: 24576:ugKAwvCXbZpIN/tSmnPaj2EKxSRes3spRK9zQHvWEjOERzOAQ8lzYG5Bpaiy4YPV:fKrCXEIjOeKoMHmqQ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1EAE51910B7009129D8BB21F94BAE726D610DE9D00744E1CB51C85AFEDFF9AF27D3918A
sha3_384: 885ac3b89a5674c178e841c3a683bac93b10fdcacbc8348d94de3e20babb3d6548ad20e23114e4ab0fb6a8e7a0fde688
ep_bytes: e944be1700e97f4a1300e9ba0c1200e9
timestamp: 2022-10-20 15:03:12

Version Info:

CompanyName:
FileDescription: sport Microsoft 基础类应用程序
FileVersion: 1, 0, 0, 1
InternalName: sport
LegalCopyright: 版权所有 (C) 2009
LegalTrademarks:
OriginalFilename: sport.EXE
ProductName: sport 应用程序
ProductVersion: 1, 0, 0, 1
Translation: 0x0804 0x04b0

Backdoor:Win32/Farfli.BI!MTB also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Tedy.181348
FireEyeGen:Variant.Tedy.181348
ALYacGen:Variant.Tedy.181348
SangforTrojan.Win32.Injector.BLQC
BitDefenderGen:Variant.Tedy.181348
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.BLQC
APEXMalicious
KasperskyTrojan-Ransom.Win32.Blocker.yvrc
RisingTrojan.Generic@AI.86 (RDML:EHZ0sl9QtE8ROfufR7BxYA)
Ad-AwareGen:Variant.Tedy.181348
SophosMal/Generic-S
VIPREGen:Variant.Tedy.181348
TrendMicroRansom_Blocker.R011C0DJN22
McAfee-GW-EditionArtemis!Trojan
EmsisoftGen:Variant.Tedy.181348 (B)
IkarusTrojan.Win32.Injector
JiangminHeur:Backdoor/Agent
AviraTR/AD.Farfli.ugkdx
MicrosoftBackdoor:Win32/Farfli.BI!MTB
ArcabitTrojan.Tedy.D2C464
GDataGen:Variant.Tedy.181348
GoogleDetected
McAfeeArtemis!A503C99F3ACD
MAXmalware (ai score=81)
CylanceUnsafe
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_Blocker.R011C0DJN22
TencentWin32.Trojan.Blocker.Gkjl
FortinetW32/BLQC!tr
BitDefenderThetaGen:NN.ZexaF.34726.!E0@aCzbURpj
AVGWin32:RATX-gen [Trj]
AvastWin32:RATX-gen [Trj]

How to remove Backdoor:Win32/Farfli.BI!MTB?

Backdoor:Win32/Farfli.BI!MTB malware is very hard to eliminate by hand. It stores its files in multiple places throughout the disk, and can recover itself from one of the parts. Furthermore, a range of modifications in the windows registry, networking configurations and Group Policies are pretty hard to discover and return to the initial. It is better to use a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Moreover, it does not have such problems and vulnerabilities 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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