PowerShell/Rozena.ES

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

What is PowerShell/Rozena.ES infection?

In this short article you will certainly find concerning the interpretation of PowerShell/Rozena.ES and its negative influence on your computer system. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom money by a sufferer.

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Most of the cases, PowerShell/Rozena.ES ransomware will advise its targets to initiate funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s tool.

PowerShell/Rozena.ES Summary

These adjustments can be as complies with:

  • Ciphering the files situated on the sufferer’s hard disk — so the victim can no longer use the data;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

PowerShell/Rozena.ES

One of the most normal channels whereby PowerShell/Rozena.ES Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that holds a destructive software application;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or stop the tool from working in a proper fashion – while also putting a ransom money note that discusses the demand for the victims to impact the payment for the function of decrypting the papers or recovering the documents system back to the first condition. In the majority of instances, the ransom note will certainly come up when the client restarts the COMPUTER after the system has currently been harmed.

PowerShell/Rozena.ES circulation channels.

In numerous edges of the globe, PowerShell/Rozena.ES expands by jumps and bounds. However, the ransom money notes and methods of obtaining the ransom money quantity might vary relying on certain neighborhood (local) setups. The ransom money notes and methods of extorting the ransom amount may vary depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the sufferer’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty statements concerning prohibited material.

    In nations where software program piracy is much less prominent, this approach is not as efficient for the cyber frauds. Additionally, the PowerShell/Rozena.ES popup alert may wrongly declare to be deriving from a law enforcement establishment as well as will report having situated child porn or various other unlawful information on the tool.

    PowerShell/Rozena.ES popup alert may falsely claim to be obtaining from a legislation enforcement establishment and will report having located kid porn or other illegal information on the device. The alert will likewise include a need for the user to pay the ransom.

Technical details

File Info:

crc32: BF3C673A
md5: 47bdac3748c427417d0ad8a7371764a5
name: 47BDAC3748C427417D0AD8A7371764A5.mlw
sha1: b6a1090d994002aea60fc34a1f0b9abef3f433a2
sha256: ac3022109e09fb19fd0f1bcc7d7d481d9f7d3f950e885b1c1c470ad8d791d59a
sha512: c2fdd9c2f3faa908e9bab0fc8268f4a7c5def3fa77c24e6a14d7a474f6cb253400f7674e480dd8fed37ac965c3668827c8783e84cab1e1251df3287803734929
ssdeep: 768:IEHngb1RWtoNTIvR5M41v1IbpCQYtGKsuO2482O9on2ngm3Ht+:IEHngAoNTIBcMQmGKi82O9oCX3I
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: shellcode_embedded.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: shellcode_embedded.exe

PowerShell/Rozena.ES also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0057913d1 )
ALYac Gen:Variant.Bulz.390885
Alibaba Trojan:Win32/Shelma.951dd430
K7GW Trojan ( 0057913d1 )
ESET-NOD32 PowerShell/Rozena.ES
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan.Win32.Shelma.bftz
BitDefender Gen:Variant.Bulz.390885
MicroWorld-eScan Gen:Variant.Bulz.390885
Ad-Aware Gen:Variant.Bulz.390885
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis
FireEye Gen:Variant.Bulz.390885
Emsisoft Gen:Variant.Bulz.390885 (B)
Microsoft Program:Win32/Wacapew.C!ml
Arcabit Trojan.Bulz.D5F6E5
GData Gen:Variant.Bulz.390885
McAfee Artemis!47BDAC3748C4
TrendMicro-HouseCall TROJ_GEN.R011H0CCF21
Rising Trojan.Rozena!8.6D (CLOUD)
Ikarus Trojan.PowerShell.Spy
Fortinet PowerShell/Rozena.ES!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.DogHousePower.HgIASQoA

How to remove PowerShell/Rozena.ES virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.

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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 PowerShell/Rozena.ES 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 PowerShell/Rozena.ES 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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