Written by Robert Bailey

What is Trojan:Win32/Folyris.A infection?

In this article you will locate concerning the meaning of Trojan:Win32/Folyris.A as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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Most of the cases, Trojan:Win32/Folyris.A virus will certainly instruct its targets to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has presented to the victim’s tool.

Trojan:Win32/Folyris.A Summary

These modifications can be as complies with:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Code injection with CreateRemoteThread in a remote process;
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Deletes its original binary from disk;
  • Recognized to be an Athena HTTP bot;
  • Creates a copy of itself;
  • Ciphering the documents located on the sufferer’s hard disk — so the victim can no more make use of the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Related domains: Ransom.BreakingBad.NSIS.A


The most typical networks whereby Trojan:Win32/Folyris.A are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a destructive software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or protect against the device from working in a correct fashion – while also placing a ransom note that mentions the demand for the targets to impact the repayment for the purpose of decrypting the documents or recovering the data system back to the preliminary problem. In a lot of instances, the ransom note will certainly come up when the client restarts the PC after the system has actually already been damaged.

Trojan:Win32/Folyris.A distribution channels.

In different edges of the globe, Trojan:Win32/Folyris.A expands by jumps and also bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom money quantity may differ depending upon particular regional (regional) settings. The ransom money notes and techniques of obtaining the ransom amount may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom.

    Faulty declarations about unlawful material.

    In nations where software application piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/Folyris.A popup alert might falsely claim to be stemming from a police organization as well as will certainly report having located kid pornography or other illegal information on the tool.

    Trojan:Win32/Folyris.A popup alert may incorrectly claim to be obtaining from a regulation enforcement organization and also will report having located child pornography or other prohibited information on the gadget. The alert will likewise have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 9E937A05
md5: faf3a0deb361607185a5f08bda2c0133
name: FAF3A0DEB361607185A5F08BDA2C0133.mlw
sha1: 8f633401205e66bda729a29bcb6d7ef2d776b4ce
sha256: f9039232ade99e819369ff819993b0da947ffb98dcd97a08d0f5410dd1c2d636
sha512: 71a66ab45aef3c0b498408a59243ae63ea95bb7e2f130afc35f6fb54e0d256713224a762a9b39a4f345f267466c3506d71ab4de8a87bd76f0e8da302dd8223d1
ssdeep: 12288:JFJs3XraGmcmd/26o9juQ+pDQZPWTs6Llnucy7fRw:Jjs3XFxxpJ+pDK+Y6Jucipw
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

CompiledScript: AutoIt v3 Script: 3, 3, 3, 1
FileVersion: 3, 3, 3, 1
Translation: 0x0809 0x04b0

Trojan:Win32/Folyris.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Trojan.AutoIt.CGO
FireEye Trojan.AutoIt.CGO
CAT-QuickHeal Ransom.BreakingBad.NSIS.A
McAfee Artemis!FAF3A0DEB361
Zillya Backdoor.DarkKomet.Win32.29562
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.AutoIt.CGO
K7GW Riskware ( 0040eff71 )
Symantec Infostealer.Limitail
APEX Malicious
Avast Other:Malware-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.Atbot.ami
NANO-Antivirus Trojan.Win32.DarkKomet.drhzqv
Ad-Aware Trojan.AutoIt.CGO
Sophos Troj/AutoIt-AYI
Comodo Malware@#tomd0f2rjrxb
F-Secure Trojan.TR/Inject.sbbeimo.1
DrWeb BackDoor.Comet.2020
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Virus.gc
Emsisoft Trojan.AutoIt.CGO (B)
Ikarus Hoax.Win32.ArchSMS
Jiangmin TrojanDropper.Injector.avrt
Avira TR/Inject.sbbeimo.1
Antiy-AVL Trojan[Spy]/Win32.Zbot
Kingsoft Win32.Hack.Atbot.a.(kcloud)
Microsoft Trojan:Win32/Folyris.A
Arcabit Trojan.AutoIt.CGO
ZoneAlarm Backdoor.Win32.Atbot.ami
GData Trojan.AutoIt.CGO
AhnLab-V3 Trojan/Win32.Infostealer.R140264
BitDefenderTheta AI:Packer.83022E7015
ALYac Trojan.AutoIt.CGO
MAX malware (ai score=89)
VBA32 TrojanPSW.Stealer
Malwarebytes Malware.AI.1297486632
Panda Generic Suspicious
ESET-NOD32 a variant of Win32/Injector.Autoit.BJX
Tencent Win32.Backdoor.Atbot.Ehrn
Fortinet W32/Generic.AC.BAA!tr
AVG Other:Malware-gen [Trj]
Cybereason malicious.eb3616
Qihoo-360 Generic/Trojan.Script.ed4

How to remove Trojan:Win32/Folyris.A virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Folyris.A 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 Trojan:Win32/Folyris.A you can always ask me in the comments for getting help.

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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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