Written by Robert Bailey

What is Ransom:Win32/Petya.B!rsm infection?

In this post you will certainly discover regarding the interpretation of Ransom:Win32/Petya.B!rsm and also its negative influence on your computer. Such ransomware are a kind of malware that is specified by on-line fraudulences to demand paying the ransom money by a victim.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the instances, Ransom:Win32/Petya.B!rsm virus will certainly advise its victims to launch funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the sufferer’s device.

Ransom:Win32/Petya.B!rsm Summary

These alterations can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 documents found on the sufferer’s hard drive — so the victim can no more utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most normal channels whereby Ransom:Win32/Petya.B!rsm Ransomware are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that organizes a destructive software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s PC or avoid the tool from functioning in a correct way – while also placing a ransom note that mentions the requirement for the sufferers to impact the repayment for the function of decrypting the documents or bring back the data system back to the preliminary condition. In many instances, the ransom money note will show up when the customer reboots the PC after the system has actually currently been harmed.

Ransom:Win32/Petya.B!rsm distribution networks.

In various edges of the globe, Ransom:Win32/Petya.B!rsm grows by jumps and bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money quantity might differ depending on certain neighborhood (local) setups. The ransom money notes as well as methods of extorting the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal content.

    In countries where software application piracy is much less popular, this technique is not as reliable for the cyber scams. Additionally, the Ransom:Win32/Petya.B!rsm popup alert might falsely assert to be stemming from a law enforcement institution as well as will certainly report having situated child pornography or other illegal information on the tool.

    Ransom:Win32/Petya.B!rsm popup alert may wrongly declare to be deriving from a law enforcement establishment as well as will report having located youngster pornography or other unlawful information on the tool. The alert will similarly consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: D0878092
md5: f4db3d23426f65a73d65fa32f84bff4c
name: F4DB3D23426F65A73D65FA32F84BFF4C.mlw
sha1: 4b2517b234822c68bd4c6ce31958c2113259aa7b
sha256: f7f028c8c93677a50c7a9a329a670e99fc75af63dbb2beacd887c6d400c78e36
sha512: 6d34a6e61c98ad1307da30d611983404ac6f34d716d54be79cbb5226fab9d6d40677ba0137192563c6f759503572da200e58eb52aa40101dbc9acefdb7cbef3b
ssdeep: 6144:0E/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs9f:V/X4NTS/x9jNG+w+9OqFoK323qdQYKU5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Petya.B!rsm also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00116c681 )
Elastic malicious (high confidence)
DrWeb Trojan.Swrort.10
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Petya.A5
ALYac Win32.Rozena.B
Cylance Unsafe
Sangfor Ransom.Win32.Petya_0.se
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 00116c681 )
Cybereason malicious.3426f6
Baidu Win32.Trojan.Ransom.a
Cyren W32/Rozena.H.gen!Eldorado
Symantec Meterpreter
ESET-NOD32 a variant of Win32/Rozena.KC.gen
APEX Malicious
Avast MBR:Ransom-C [Trj]
ClamAV Win.Exploit.CVE_2017_0147-6331310-0
BitDefender Win32.Rozena.B
NANO-Antivirus Trojan.Win32.Swrort.eratya
ViRobot Win32.Rozena.A
MicroWorld-eScan Win32.Rozena.B
Ad-Aware Win32.Rozena.B
Sophos ML/PE-A + Mal/Swrort-H
BitDefenderTheta AI:FileInfector.2395B8760E
VIPRE Trojan.Win32.Petya.a (fs)
FireEye Generic.mg.f4db3d23426f65a7
Emsisoft Win32.Rozena.B (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XPACK.Gen
eGambit ransom.BadRabbit
Microsoft Ransom:Win32/Petya.B!rsm
GData Win32.Rozena.B
AhnLab-V3 Win-Trojan/Swrort.X1746
MAX malware (ai score=89)
VBA32 BScope.Trojan.Downloader
Malwarebytes Malware.AI.4238668880
Rising Malware.Heuristic!ET#87% (RDMK:cmRtazq0OSZNnbUXVHr3wc47cy6v)
Ikarus Trojan.Win32.Diskcoder
Fortinet W32/Generic.AP.23ADC0!tr
AVG MBR:Ransom-C [Trj]

How to remove Ransom:Win32/Petya.B!rsm 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 Ransom:Win32/Petya.B!rsm 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 Ransom:Win32/Petya.B!rsm 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: https://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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