Backdoor.Farfli

What is Backdoor.Farfli infection?

In this short article you will certainly locate concerning the interpretation of Backdoor.Farfli as well as its adverse effect on your computer. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom by a target.

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In the majority of the situations, Backdoor.Farfli ransomware will certainly instruct its sufferers to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the victim’s tool.

Backdoor.Farfli Summary

These adjustments can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Serbian;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard drive — so the sufferer can no longer use the information;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Backdoor.Farfli

The most normal channels where Backdoor.Farfli are infused are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a source that hosts a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s PC or protect against the gadget from functioning in a correct fashion – while likewise putting a ransom note that states the requirement for the sufferers to effect the settlement for the function of decrypting the documents or bring back the documents system back to the first condition. In many circumstances, the ransom note will show up when the client restarts the PC after the system has currently been harmed.

Backdoor.Farfli distribution channels.

In various corners of the world, Backdoor.Farfli expands by jumps and also bounds. Nonetheless, the ransom notes and techniques of extorting the ransom money amount might differ depending on certain neighborhood (local) settings. The ransom money notes and methods of obtaining the ransom quantity may vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having spotted some unlicensed applications allowed on the target’s device. The alert then requires the user to pay the ransom.

    Faulty statements regarding unlawful material.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber scams. Additionally, the Backdoor.Farfli popup alert might wrongly assert to be originating from a law enforcement organization and will certainly report having situated child pornography or various other illegal information on the device.

    Backdoor.Farfli popup alert might incorrectly declare to be obtaining from a legislation enforcement establishment and also will certainly report having located kid porn or other illegal information on the device. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 6C7B6AA0
md5: 71e56e4867c4b375110213dc7c228dea
name: 71E56E4867C4B375110213DC7C228DEA.mlw
sha1: 219736599f32f2f00bc6b734ae648011994920ea
sha256: 47418562c100061fe1d3344b769fbbe22e433f079726628ced1ec4f7f845febc
sha512: f4c076f791dbfd7acfe32b8732170f1acd905a91a19d34b304285e94ea91bef784900ee7a19d59a741c9194e53ab67f3b85facb2dcd58126e5d8d79eaeb6ba33
ssdeep: 1536:mtadNkjTBfEN/vJZCSgLqreZwTjZC/9ArOM26ZCYYCoI:m0dNkjTBfYpZCSgLqyZw5C/98OD6Zck
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Farfli also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004fbf8e1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader25.35669
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Gen:Trojan.Malware.hyW@aiUKkNrH
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1182901
Sangfor Miner.Win32.Indoneminer_1.se
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:Win32/Siscos.13b
K7GW Trojan ( 004fbf8e1 )
Cybereason malicious.867c4b
Cyren W32/Zegost.JHJA-9093
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Farfli.BLH
Zoner Trojan.Win32.68849
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Dropper.Gh0stRAT-6989861-0
Kaspersky Trojan.Win32.Siscos.xwn
BitDefender Gen:Trojan.Malware.hyW@aiUKkNrH
NANO-Antivirus Trojan.Win32.Siscos.eouldd
ViRobot Trojan.Win32.Agent.102400.FE
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Gen:Trojan.Malware.hyW@aiUKkNrH
Tencent Malware.Win32.Gencirc.10b3c99c
Ad-Aware Gen:Trojan.Malware.hyW@aiUKkNrH
Sophos ML/PE-A + Troj/AutoG-FP
Comodo Backdoor.Win32.Farfli.FHH@7ok41s
BitDefenderTheta Gen:NN.ZexaF.34628.hyW@aiUKkNrH
VIPRE Trojan.Win32.Generic!BT
TrendMicro BKDR_ZEGOST.SM34
McAfee-GW-Edition Packed-MW!71E56E4867C4
FireEye Generic.mg.71e56e4867c4b375
Emsisoft Gen:Trojan.Malware.hyW@aiUKkNrH (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Siscos.cf
Webroot W32.Trojan.Gen
Avira BDS/Farfli.EC
Microsoft Backdoor:Win32/Zegost
Gridinsoft Trojan.Win32.Gen.dd!s1
AegisLab Trojan.Win32.Siscos.tqZb
GData Gen:Trojan.Malware.hyW@aiUKkNrH
TACHYON Trojan-Downloader/W32.Agent.126976.IB
AhnLab-V3 Trojan/Win32.Siscos.R235475
Acronis suspicious
McAfee Packed-MW!71E56E4867C4
MAX malware (ai score=86)
VBA32 Trojan.Siscos
Malwarebytes Backdoor.Farfli
Panda Trj/Genetic.gen
TrendMicro-HouseCall BKDR_ZEGOST.SM34
Rising Trojan.Kryptik!1.AAD1 (KTSE)
Yandex Trojan.GenAsa!DTnC27A6HT8
Ikarus Backdoor.Win32.Zegost
Fortinet W32/Filecoder.FV!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.Zegost.HwcBA7IC

How to remove Backdoor.Farfli ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Backdoor.Farfli files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Backdoor.Farfli you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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