Written by Robert Bailey

What is Ursu.858406 infection?

In this short article you will find about the definition of Ursu.858406 and its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the instances, Ursu.858406 virus will advise its victims to initiate funds transfer for the objective of neutralizing the changes that the Trojan infection has actually presented to the victim’s gadget.

Ursu.858406 Summary

These adjustments can be as adheres to:

  • Reads data out of its own binary image;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records located on the sufferer’s hard disk — so the victim can no more utilize the data;
  • Preventing normal accessibility to the victim’s workstation;


The most typical networks where Ursu.858406 Ransomware are injected are:

  • By methods 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 successfully injected, it will certainly either cipher the data on the victim’s computer or protect against the gadget from operating in a correct fashion – while also placing a ransom note that states the need for the targets to effect the repayment for the function of decrypting the documents or recovering the documents system back to the first condition. In the majority of circumstances, the ransom note will come up when the client restarts the PC after the system has actually already been damaged.

Ursu.858406 distribution networks.

In different corners of the globe, Ursu.858406 grows by jumps as well as bounds. However, the ransom money notes as well as techniques of obtaining the ransom quantity may differ depending on specific neighborhood (local) setups. The ransom money notes and techniques of extorting the ransom money amount might differ depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications enabled on the target’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty declarations about prohibited web content.

    In countries where software program piracy is less prominent, this approach is not as efficient for the cyber fraudulences. Alternatively, the Ursu.858406 popup alert might incorrectly claim to be originating from a police establishment as well as will certainly report having located youngster porn or other prohibited information on the gadget.

    Ursu.858406 popup alert might wrongly assert to be acquiring from a regulation enforcement organization as well as will report having situated child porn or various other unlawful information on the device. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 880F32F4
md5: a38d993f5100f41b4e7000ff25674777
name: tmph2rlnq2q
sha1: 013f90d6c9ac10d2bd6774756128697562fa244b
sha256: 6b0fdf66e4d2d85b03d1c817ad9c92341eedadd4cfeb30755534072fd2d6c208
sha512: 3c0c868175921bf303aab407b37403f2020ea832d6208da34b7afe2b8dd01cb41a1d36d63aab3e4ecb4222af02610608ab7e42f7ce334a81f3774340a3cd801f
ssdeep: 49152:dK3+GmeFVUH4peIq3nF9n3HHBruqprj0tR:dzvF9n3HHxxqtR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x53a6x95e8x83e9x63d0x5c71x7f51x7edcx79d1x6280x6709x9650x516cx53f8 Copyrightxff08cxff092019
InternalName: pdf2excel.exe
CompanyName: x53a6x95e8x83e9x63d0x5c71x7f51x7edcx79d1x6280x6709x9650x516cx53f8
ProductName: PDFx732bPDFx8f6cEXCEL
FileDescription: PDFx732bPDFx8f6cEXCEL
Translation: 0x0804 0x03a8

Ursu.858406 also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.Ursu.858406
FireEye Gen:Variant.Ursu.858406
Qihoo-360 Generic/HEUR/QVM42.3.4B3E.Malware.Gen
McAfee Artemis!A38D993F5100
AegisLab Riskware.Win32.Ursu.1!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Gen:Variant.Ursu.858406
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_90% (D)
Avast Win32:Malware-gen
GData Gen:Variant.Ursu.858406
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Ransomware.tc
Emsisoft Gen:Variant.Ursu.858406 (B)
MAX malware (ai score=81)
Microsoft Trojan:Win32/Wacatac.C!ml
Arcabit Trojan.Ursu.DD1926
Ad-Aware Gen:Variant.Ursu.858406
TrendMicro-HouseCall TROJ_GEN.R002H0CEG20
SentinelOne DFI – Suspicious PE
AVG Win32:Malware-gen
MaxSecure Trojan.Malware.100899149.susgen

How to remove Ursu.858406 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 Ursu.858406 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 Ursu.858406 you can always ask me in the comments for getting help.

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  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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