Trojan.Win32.Yakes.pef

Written by Robert Bailey

What is Trojan.Win32.Yakes.pef infection?

In this article you will certainly discover about the interpretation of Trojan.Win32.Yakes.pef as well as its negative effect on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom by a target.

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In the majority of the situations, Trojan.Win32.Yakes.pef virus will certainly advise its targets to launch funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the target’s gadget.

Trojan.Win32.Yakes.pef Summary

These modifications can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • Installs itself for autorun at Windows startup;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the records situated on the victim’s hard drive — so the target can no more use the information;
  • Preventing normal accessibility to the target’s workstation;

Related domains:

z.whorecord.xyz Ransom.Wannacry
a.tomx.xyz Ransom.Wannacry
www.ip-adress.com Ransom.Wannacry

Trojan.Win32.Yakes.pef

One of the most normal channels whereby Trojan.Win32.Yakes.pef Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a resource that holds a destructive software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or prevent the tool from working in an appropriate manner – while additionally putting a ransom money note that points out the requirement for the targets to impact the settlement for the objective of decrypting the papers or bring back the data system back to the preliminary problem. In many circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan.Win32.Yakes.pef distribution channels.

In numerous corners of the world, Trojan.Win32.Yakes.pef expands by leaps as well as bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom amount may differ relying on certain local (local) settings. The ransom notes as well as tricks of obtaining the ransom money amount may differ depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In specific locations, the Trojans often wrongfully report having found some unlicensed applications allowed on the victim’s device. The alert then demands the user to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In nations where software piracy is less prominent, this technique is not as efficient for the cyber scams. Alternatively, the Trojan.Win32.Yakes.pef popup alert may incorrectly declare to be stemming from a law enforcement establishment as well as will certainly report having situated kid porn or various other illegal information on the gadget.

    Trojan.Win32.Yakes.pef popup alert might falsely assert to be acquiring from a legislation enforcement institution and will report having located kid porn or other prohibited information on the device. The alert will likewise contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 306D513E
md5: 4e56259cfb051a9f9c9fa76bc5fd80df
name: upload_file
sha1: 26aef3950f2fee9ca14b80af9a5889d59f6c0d48
sha256: df1d0bc581e578ac3b0c95b7eab8ea7b293b1d52ef30281bc71d5b93bcde2bf3
sha512: ebeba402ab229ed1113e623175c054ddedbb34aecda1c419e6ab991ccf63052fd683d2a5c1f715b931b76b50a563a66fc51d0064cd7623dd060b63b62f6c555a
ssdeep: 6144:ISj19QP9G+wgVFGOBD+Tl/Qa8Vx+z0JxR7xMJz/qffNNuZxXYDR38x5+jg0M:ISj1KA+wg9BD+TVGczIhxMKqo3Pjg0M
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: credwiz.exe
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7600.16385
FileDescription: Credential Backup and Restore Wizard
OriginalFilename: credwiz.exe
Translation: 0x0409 0x04b0

Trojan.Win32.Yakes.pef also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.766244
ALYac Gen:Variant.Razy.766244
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 00570bfa1 )
BitDefender Gen:Variant.Razy.766244
K7GW Trojan ( 00570bfa1 )
CrowdStrike win/malicious_confidence_60% (W)
TrendMicro Backdoor.Win32.QAKBOT.SM.hp
Cyren W32/Qbot.AA.gen!Eldorado
Symantec Ransom.Wannacry
APEX Malicious
Avast Win32:DangerousSig [Trj]
ClamAV Win.Packed.Razy-9775294-0
Kaspersky HEUR:Trojan.Win32.Yakes.pef
Alibaba Trojan:Win32/Qakbot.629dc32b
Rising Trojan.Kryptik!1.CC55 (CLASSIC)
Ad-Aware Gen:Variant.Razy.766244
Sophos Troj/Qakbot-DU
Comodo fls.noname@0
F-Secure Trojan.TR/AD.Qbot.vsbxk
DrWeb Trojan.QakBot.11
Invincea Mal/Generic-R + Troj/Qakbot-DU
McAfee-GW-Edition BehavesLike.Win32.PinkSbot.rz
FireEye Generic.mg.4e56259cfb051a9f
Emsisoft MalCert.A (A)
Ikarus Trojan.Win32.CryptInject
Jiangmin Trojan.Bsymem.agl
Avira TR/AD.Qbot.vsbxk
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qakbot.AR!Cert
Arcabit Trojan.Razy.DBB124
ZoneAlarm HEUR:Trojan.Win32.Yakes.pef
GData Win32.Trojan.PSE.1NPTMF
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Qakbot.C4204873
McAfee W32/PinkSbot-HC!4E56259CFB05
MAX malware (ai score=87)
VBA32 BScope.Trojan.Inject
Malwarebytes Backdoor.Qbot
Panda Trj/Agent.AJS
ESET-NOD32 a variant of Win32/GenCBL.CI
TrendMicro-HouseCall Backdoor.Win32.QAKBOT.SM.hp
Tencent Malware.Win32.Gencirc.10ce09ec
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_80%
Fortinet W32/GenericKDZ.6939!tr
AVG Win32:DangerousSig [Trj]
Paloalto generic.ml
Qihoo-360 Generic/Trojan.e7c

How to remove Trojan.Win32.Yakes.pef 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

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 Trojan.Win32.Yakes.pef 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.Yakes.pef 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: http://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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