Trojan.Yakes

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan.Yakes infection?

In this post you will certainly discover regarding the meaning of Trojan.Yakes and its negative influence on your computer system. Such ransomware are a type of malware that is specified by online fraudulences to require paying the ransom money by a target.

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Most of the situations, Trojan.Yakes virus will advise its sufferers to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s tool.

Trojan.Yakes Summary

These adjustments can be as adheres to:

  • 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.
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Nepali;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • 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 victim can no longer make use of the data;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Yakes

One of the most regular channels through which Trojan.Yakes Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a resource that organizes a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the target’s PC or prevent the device from functioning in a proper manner – while also putting a ransom note that discusses the demand for the sufferers to impact the repayment for the objective of decrypting the records or restoring the documents system back to the preliminary condition. In many instances, the ransom money note will come up when the customer restarts the COMPUTER after the system has currently been harmed.

Trojan.Yakes distribution channels.

In numerous corners of the globe, Trojan.Yakes grows by jumps and also bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom amount may differ relying on specific neighborhood (local) settings. The ransom notes as well as methods of obtaining the ransom money quantity might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the victim’s tool. The alert then requires the customer to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software program piracy is less preferred, this method is not as reliable for the cyber fraudulences. Alternatively, the Trojan.Yakes popup alert may incorrectly claim to be deriving from a police organization as well as will certainly report having located youngster pornography or other illegal data on the device.

    Trojan.Yakes popup alert may wrongly claim to be deriving from a law enforcement establishment and will certainly report having situated youngster pornography or other prohibited information on the device. The alert will likewise contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 62AC2B16
md5: 8c519f8d5de9fbaf60ea6e1a57559ff4
name: pred777amx.exe
sha1: 2ee773729d67e85b766c584a5146c637fea7e792
sha256: 7d4063d172c31859f8c161f0b2aa7af338239860ef296cb0753c945b1d492d52
sha512: 7bc1d6aa0adbc75af7f1e121ee3898e56011b0919d5342ae8f061752591d8e0f87bd1b4fa314480f847652a2b4b0319123fc66a8eca86f95c5756ca8f3da901e
ssdeep: 6144:HvVFKvvVIKzBf6fijor/2R6kfzVpLwScNsDymL5ofIIhvy1:HtoikkrurfzVTcAym6Pa1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Yakes also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
MicroWorld-eScanTrojan.GenericKD.42124895
CAT-QuickHealTrojan.Yakes
McAfeeArtemis!8C519F8D5DE9
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.42124895
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.29d67e
ArcabitTrojan.Generic.D282C65F
TrendMicroTrojan.Win32.ZPEVDO.USXVPLJ19
CyrenW32/Trojan.NNJY-0305
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GZOP
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Ransomware.Glupteba-7458825-1
KasperskyTrojan.Win32.Yakes.zqpb
AvastWin32:CrypterX-gen [Trj]
RisingTrojan.Kryptik!8.8 (TFE:5:Bl08U0TfcQD)
Endgamemalicious (high confidence)
EmsisoftTrojan.GenericKD.42124895 (B)
ComodoMalware@#4cgm2yu7lcon
DrWebTrojan.PWS.Siggen2.40751
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.MultiPlug.fc
FortinetW32/Kryptik.EIQU!tr
FireEyeGeneric.mg.8c519f8d5de9fbaf
SophosMal/Generic-S
SentinelOneDFI – Suspicious PE
MAXmalware (ai score=84)
MicrosoftTrojan:Win32/Predator.PVD!MTB
ZoneAlarmTrojan.Win32.Yakes.zqpb
AhnLab-V3Trojan/Win32.MalPe.R304205
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.33556.ySW@a8lEvMgG
VBA32Trojan.Agent
MalwarebytesTrojan.MalPack.GS.Generic
TrendMicro-HouseCallTrojan.Win32.ZPEVDO.USXVPLJ19
IkarusTrojan.Win32.Crypt
GDataTrojan.GenericKD.42124895
Ad-AwareTrojan.GenericKD.42124895
AVGWin32:CrypterX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Win32/Trojan.12f

How to remove Trojan.Yakes virus?

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

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 install-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 Trojan.Yakes 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Yakes 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/comparison

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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