Generic PUA BM (PUA)

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

What is Generic PUA BM (PUA) infection?

In this post you will discover about the meaning of Generic PUA BM (PUA) and its adverse influence on your computer system. Such ransomware are a form of malware that is specified by online scams to require paying the ransom by a target.

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Most of the cases, Generic PUA BM (PUA) ransomware will certainly advise its sufferers to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s device.

Generic PUA BM (PUA) Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard disk — so the target can no more utilize the information;
  • Preventing normal 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.

Generic PUA BM (PUA)

The most typical networks through which Generic PUA BM (PUA) Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or avoid the tool from operating in a proper way – while also putting a ransom money note that points out the demand for the victims to effect the settlement for the function of decrypting the documents or bring back the data system back to the initial condition. In most circumstances, the ransom note will show up when the customer restarts the PC after the system has actually already been damaged.

Generic PUA BM (PUA) circulation channels.

In various edges of the globe, Generic PUA BM (PUA) expands by leaps as well as bounds. Nonetheless, the ransom money notes and methods of obtaining the ransom money amount may vary depending upon particular neighborhood (local) settings. The ransom money notes and also techniques of extorting the ransom money quantity might differ depending on particular regional (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software application piracy is less prominent, this technique is not as effective for the cyber fraudulences. Alternatively, the Generic PUA BM (PUA) popup alert may incorrectly declare to be originating from a police institution and also will certainly report having situated kid porn or various other illegal information on the gadget.

    Generic PUA BM (PUA) popup alert may falsely assert to be deriving from a law enforcement organization and will report having situated kid porn or various other illegal data on the tool. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 972EEAC7
md5: fc84678331678cb6ec08177ef2a73624
name: FC84678331678CB6EC08177EF2A73624.mlw
sha1: 1cda03c8ad14f3f721d1530b71431892fae2b730
sha256: 90dfdd7e5ad1307869b9c2861e7deaff870ef28123d2e36fa8b5ce399dcbd6a1
sha512: 38b915c62d27cab355daf15137d94aee7953c4ae7ee2889c0f221e9664731ac576764e03d5b5540fbc99a978ea6798ffe07ebb647fb80a169b4a666839eb7e41
ssdeep: 12288:ti5UuUmwz8ZsS+tYKTJRR6Aw72Jy4Yov2vwnYFQwTnnh:ti5UpCsSWTV6kBYovJY3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018
FileVersion: 1.0.0.1
CompanyName: TODO:
ProductName: TODO:
ProductVersion: 1.0.0.1
FileDescription: TODO:
Translation: 0x0419 0x04b0

Generic PUA BM (PUA) also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00528e801 )
Elasticmalicious (high confidence)
DrWebTrojan.Vittalia.14640
CynetMalicious (score: 100)
CAT-QuickHealSWB.Prepscram.JK6
ALYacGen:Variant.Ransom.GandCrab.1787
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 005267551 )
Cybereasonmalicious.331678
CyrenW32/S-ec8ab2eb!Eldorado
SymantecAdware.IstartSurf
ESET-NOD32a variant of Win32/Kryptik.GCWT
APEXMalicious
AvastFileRepMetagen [Malware]
Kasperskynot-a-virus:HEUR:AdWare.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.1787
NANO-AntivirusTrojan.Win32.Vittalia.eybset
SUPERAntiSpywareRansom.GandCrab/Variant
MicroWorld-eScanGen:Variant.Ransom.GandCrab.1787
TencentWin32.Adware.Generic.Efui
Ad-AwareGen:Variant.Ransom.GandCrab.1787
SophosGeneric PUA BM (PUA)
ComodoApplication.Win32.IStartSurf.BS@7lng48
BitDefenderThetaGen:NN.ZexaF.34678.pz0@aSKZhHbk
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.tt
FireEyeGeneric.mg.fc84678331678cb6
EmsisoftGen:Variant.Ransom.GandCrab.1787 (B)
SentinelOneStatic AI – Malicious PE
JiangminAdWare.Generic.mdax
AviraHEUR/AGEN.1103309
eGambitUnsafe.AI_Score_99%
MicrosoftSoftwareBundler:Win32/Prepscram
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Variant.Ransom.GandCrab.1787
AhnLab-V3PUP/Win32.IStartSurf.R220101
Acronissuspicious
McAfeePacked-ZA!FC8467833167
MAXmalware (ai score=89)
VBA32Trojan.Vittalia
MalwarebytesAdware.IStartSurf
PandaTrj/Genetic.gen
RisingTrojan.Kryptik!1.B032 (CLOUD)
IkarusTrojan.Kryptik
FortinetW32/Kryptik.FXGV!tr
AVGFileRepMetagen [Malware]
Paloaltogeneric.ml
Qihoo-360Win32/Adware.Generic.HwoCEpsA

How to remove Generic PUA BM (PUA) 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.

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 Generic PUA BM (PUA) 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 Generic PUA BM (PUA) 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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