Win32/RiskWare.YouXun.AF

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

What is Win32/RiskWare.YouXun.AF infection?

In this post you will find about the definition of Win32/RiskWare.YouXun.AF and its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet frauds to demand paying the ransom money by a sufferer.

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Most of the cases, Win32/RiskWare.YouXun.AF infection will advise its victims to launch funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/RiskWare.YouXun.AF Summary

These alterations can be as follows:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Enumerates running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Created a service that was not started;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the sufferer’s hard disk — so the sufferer can no more make use of the information;
  • Preventing normal access to the victim’s workstation;

Related domains:

wpad.local-net Ransom.Win32.Wacatac.sa
crl.sectigo.com Ransom.Win32.Wacatac.sa
dcjm.yaomeil.com Ransom.Win32.Wacatac.sa
www.baidu.com Ransom.Win32.Wacatac.sa

Win32/RiskWare.YouXun.AF

The most normal channels where Win32/RiskWare.YouXun.AF Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a source that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or protect against the device from functioning in a correct fashion – while likewise positioning a ransom note that points out the demand for the sufferers to effect the settlement for the objective of decrypting the files or recovering the data system back to the initial condition. In the majority of circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has currently been damaged.

Win32/RiskWare.YouXun.AF circulation networks.

In numerous corners of the globe, Win32/RiskWare.YouXun.AF grows by leaps and bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom money amount may differ depending on particular local (local) settings. The ransom notes as well as tricks of extorting the ransom amount may vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the target’s tool. The sharp after that demands the customer to pay the ransom.

    Faulty declarations about illegal content.

    In countries where software application piracy is less popular, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/RiskWare.YouXun.AF popup alert might wrongly assert to be deriving from a law enforcement organization as well as will report having located child pornography or various other prohibited data on the device.

    Win32/RiskWare.YouXun.AF popup alert may wrongly declare to be obtaining from a law enforcement establishment as well as will certainly report having located kid porn or other illegal information on the gadget. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

name: 8122EBE161DCC64D03F8.mlw
path: /opt/CAPEv2/storage/binaries/0342519b25070a67ffed50665042a21a5bda3f64ac8a132b955556b68fea05ae
crc32: CDA0998A
md5: 8122ebe161dcc64d03f845d4e0fbe387
sha1: 0f8b5c3f8a33c9b569d8eb2f1c4c2e3c2a226cd2
sha256: 0342519b25070a67ffed50665042a21a5bda3f64ac8a132b955556b68fea05ae
sha512: 91c5354037fcfce57c8d9c8bf70ff791cf2b03f781ef7ecc176848ab5b55e66ce316e1c4ddda93af3f7b12e2dd1955256fd05e291955f0e26f6d738fcb121ec4
ssdeep: 196608:0RnvORtjEbnfArO2e8Jz6999Oj5ZEqHZUtISEYZpsxIH5u0fKph8wkfrU8anAmpt:0Rn2wDWxeqzU9+Zk0qDH7U8PfrU1ARo1
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11CA63366100225B8F6A23C74A32DFCE169867C230F5534755C47DAEA4936EC3E7DAB0B
sha3_384: 55aa8180b77e7899c94622279050ab9ae96a28be6894f21027598bd4102ba7f6133efb418421d44c75d7c87dba6fc94b
ep_bytes: 60be003058008dbe00e0e7ffc78768ff
timestamp: 2021-09-22 07:36:33

Version Info:

CompanyName: Simple Notepad
FileDescription: Simple Notepad setup Wizard
FileVersion: 11.0.0.10
InternalName: setup.exe
LegalCopyright: Copyright (c) Simple Notepad
OriginalFilename: setup.exe
ProductName: Simple Notepad
ProductVersion: 11.0.0.10
Translation: 0x0804 0x03a8

Win32/RiskWare.YouXun.AF also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Siggen12.31083
MicroWorld-eScan Gen:Variant.Razy.862401
FireEye Generic.mg.8122ebe161dcc64d
CAT-QuickHeal Trojan.GenericRI.S23535535
ALYac Gen:Variant.Razy.862401
Cylance Unsafe
Zillya Tool.YouXun.Win32.1419
Sangfor Infostealer.Win32.Convagent.gen
K7AntiVirus Riskware ( 0058a9391 )
Alibaba AdWare:Win32/YouXun.102d
K7GW Riskware ( 0058a9391 )
Cyren W32/YouXun.D.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/RiskWare.YouXun.AF
TrendMicro-HouseCall TROJ_GEN.R002C0WKM21
Paloalto generic.ml
Kaspersky VHO:Trojan-Banker.Win32.Convagent.gen
BitDefender Gen:Variant.Razy.862401
Avast Win32:AdwareX-gen [Adw]
Ad-Aware Gen:Variant.Razy.862401
TrendMicro TROJ_GEN.R002C0WKM21
Emsisoft Gen:Variant.Razy.862401 (B)
Ikarus PUA.RiskWare.Youxun
GData Gen:Variant.Razy.862401
Jiangmin TrojanDropper.Dorgam.wj
eGambit Unsafe.AI_Score_90%
MAX malware (ai score=83)
Antiy-AVL Trojan/Generic.ASMalwS.34D11F7
Gridinsoft Ransom.Win32.Wacatac.sa
ViRobot Trojan.Win32.Z.Youxun.10376432.E
Microsoft Trojan:Win32/Wacatac.A!ml
AhnLab-V3 Adware/Win.Generic.R451085
McAfee GenericRXAA-AA!8122EBE161DC
VBA32 BScope.Trojan.FakeAlert
Malwarebytes PUP.Optional.ChinAd
Rising Adware.LinkAdd!1.CD70 (CLASSIC)
Yandex PUA.Downloader!ioq4OsZClL0
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.74650932.susgen
Fortinet Riskware/YouXun
AVG Win32:AdwareX-gen [Adw]
Panda Trj/CI.A

How to remove Win32/RiskWare.YouXun.AF 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 Win32/RiskWare.YouXun.AF 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 Win32/RiskWare.YouXun.AF 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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