PUP.Optional.ChinAd

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

What is PUP.Optional.ChinAd infection?

In this article you will certainly discover about the interpretation of PUP.Optional.ChinAd and also its unfavorable impact on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

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Most of the situations, PUP.Optional.ChinAd virus will advise its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the target’s tool.

PUP.Optional.ChinAd Summary

These adjustments can be as adheres to:

  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk — so the sufferer can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz BehavesLike.Win32.VirRansom.bh
a.tomx.xyz BehavesLike.Win32.VirRansom.bh

PUP.Optional.ChinAd

One of the most common networks where PUP.Optional.ChinAd Ransomware Trojans are injected 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 a repercussion of individual ending up on a source that organizes a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s PC or protect against the device from operating in a correct way – while additionally positioning a ransom money note that mentions the requirement for the victims to effect the payment for the objective of decrypting the documents or recovering the file system back to the first problem. In most instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has currently been harmed.

PUP.Optional.ChinAd circulation channels.

In various corners of the globe, PUP.Optional.ChinAd grows by jumps and bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money quantity might vary depending on certain local (regional) setups. The ransom money notes as well as methods of obtaining the ransom money amount might differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In certain areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the victim’s device. The sharp then demands the customer to pay the ransom.

    Faulty statements concerning illegal material.

    In countries where software piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Additionally, the PUP.Optional.ChinAd popup alert may wrongly claim to be originating from a police institution and will certainly report having located child porn or various other illegal information on the gadget.

    PUP.Optional.ChinAd popup alert may incorrectly declare to be obtaining from a legislation enforcement organization as well as will certainly report having located kid porn or various other unlawful data on the gadget. The alert will in a similar way have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: CBEAFD4E
md5: 097ba654ec3d27ca5ef23f8688d53335
name: 097BA654EC3D27CA5EF23F8688D53335.mlw
sha1: ee8cddea105f2ce4c04dc0ee7ab96ad8d29b9910
sha256: 7b870763524440cc1e9c7accb0d80811b0d5de6a2e1e8520e980d8cfa9bfc49c
sha512: 9b39b87dff6f6d17f8ded0f6e8a1b05b85f0033b92549713e44dbfc5490e48bfeb03a93c727c1bfd17252563f516f18766b05b4b6a3367178b5e48cb5596795b
ssdeep: 12288:zM1g+tda60bQa60bqIi9HPoiSRVenqZMGzSALlMTJKmPt4pJYER0GSm:4PIiNPoiSRVenqSElMTY64IE2GSm
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x4f5cx8005x7248x6743x6240x6709 x8bf7x5c0ax91cdx5e76x4f7fx7528x6b63x7248
FileVersion: 1.0.0.0
Comments: x672cx7a0bx5e8fx4f7fx7528x6613x8bedx8a00x7f16x5199(http://www.dywt.com.cn)
ProductName: x6613x8bedx8a00x7a0bx5e8f
ProductVersion: 1.0.0.0
FileDescription: x6613x8bedx8a00x7a0bx5e8f
Translation: 0x0804 0x04b0

PUP.Optional.ChinAd also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
ClamAV Win.Malware.Gotango-7000352-0
FireEye Generic.mg.097ba654ec3d27ca
McAfee Artemis!097BA654EC3D
Cylance Unsafe
Sangfor Win.Malware.Gotango-7000352-0
Cybereason malicious.a105f2
Cyren W32/S-9ddcf368!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MalOb-IJ [Cryp]
Cynet Malicious (score: 100)
NANO-Antivirus Trojan.Win32.Drop.dlhwif
Rising Malware.Heuristic!ET#98% (RDMK:cmRtazqAx77VzwZZYgi5d40vdt5m)
Sophos Generic ML PUA (PUA)
Comodo TrojWare.Win32.FlyStudio.~UJ@1sa9s6
McAfee-GW-Edition BehavesLike.Win32.VirRansom.bh
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Antiy-AVL GrayWare/Win32.FlyStudio.b
Microsoft Trojan:Win32/Wacatac.D7!ml
GData Win32.Application.PUPStudio.B
Acronis suspicious
VBA32 Backdoor.BlackHole
Malwarebytes PUP.Optional.ChinAd
eGambit Unsafe.AI_Score_99%
Fortinet W32/FlyStudio.C!tr
BitDefenderTheta Gen:NN.ZexaF.34590.Uq0@aiZaSBgb
AVG Win32:MalOb-IJ [Cryp]
CrowdStrike win/malicious_confidence_60% (D)
Qihoo-360 Win32/Trojan.Generic.HgIASOUA

How to remove PUP.Optional.ChinAd 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 PUP.Optional.ChinAd 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 PUP.Optional.ChinAd 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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