Trojan:Win32/Uniemv.B

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

What is Trojan:Win32/Uniemv.B infection?

In this post you will locate concerning the interpretation of Trojan:Win32/Uniemv.B and its negative impact on your computer system. Such ransomware are a form of malware that is specified by online scams to require paying the ransom by a victim.

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In the majority of the situations, Trojan:Win32/Uniemv.B infection will advise its victims to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s device.

Trojan:Win32/Uniemv.B Summary

These alterations can be as follows:

  • 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.
  • Compression (or decompression);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk drive — so the sufferer can no longer make use of the data;
  • 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.

Trojan:Win32/Uniemv.B

One of the most regular channels whereby Trojan:Win32/Uniemv.B Trojans are injected are:

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

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or stop the gadget from functioning in a proper manner – while additionally putting a ransom note that states the need for the targets to impact the settlement for the purpose of decrypting the documents or recovering the data system back to the first condition. In the majority of instances, the ransom note will show up when the customer reboots the PC after the system has already been damaged.

Trojan:Win32/Uniemv.B distribution networks.

In numerous corners of the globe, Trojan:Win32/Uniemv.B expands by leaps and bounds. However, the ransom notes as well as methods of obtaining the ransom quantity might differ relying on specific regional (regional) setups. The ransom notes and also tricks of obtaining the ransom money quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

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

    Faulty statements regarding illegal content.

    In countries where software program piracy is much less popular, this method is not as efficient for the cyber fraudulences. Alternatively, the Trojan:Win32/Uniemv.B popup alert might wrongly assert to be originating from a police establishment and will certainly report having situated kid porn or various other unlawful data on the device.

    Trojan:Win32/Uniemv.B popup alert might wrongly assert to be acquiring from a legislation enforcement establishment and also will report having situated kid porn or other illegal data on the gadget. The alert will in a similar way have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1F3C1B8C
md5: 08d1fb5d17efa73158d1523716d89e90
name: 08D1FB5D17EFA73158D1523716D89E90.mlw
sha1: 4d51e224a79294d9f4a38372875e0644db41ea2e
sha256: 29f65100d09f0c508e350c4f59e2ddec24808cd87c0f89130ae0ba6eb42629ae
sha512: 65453e8be9fa7f105f1dfebe503340c833ea5202f3338445bc471ebe152b99208a5dfcfeedb106eeed164bd0da96d02536b37fe9c456ab40e0fb78ee711665ae
ssdeep: 768:VlZN6AVOeKPC938q0Xam+6+1jwVQao4qO4ux:VT1jd4XadwVLo4Yu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Uniemv.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader11.34130
Cynet Malicious (score: 100)
ALYac GenPack:Generic.Malware.SFB!dld!.32A45608
Cylance Unsafe
Zillya Trojan.Blocker.Win32.22382
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/Blocker.620d3c71
K7GW Trojan ( 0055dd191 )
Cybereason malicious.d17efa
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.CLHH
Zoner Trojan.Win32.26389
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.frmb
BitDefender GenPack:Generic.Malware.SFB!dld!.32A45608
NANO-Antivirus Trojan.Win32.Kryptik.dfezfg
ViRobot Trojan.Win32.Agent.233472.AA
MicroWorld-eScan GenPack:Generic.Malware.SFB!dld!.32A45608
Tencent Win32.Trojan.Blocker.Hyv
Ad-Aware GenPack:Generic.Malware.SFB!dld!.32A45608
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Gatak.ADK@5j7ton
BitDefenderTheta Gen:NN.ZexaF.34608.oCW@aCzup5e
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_DRIDEX.SMN2
McAfee-GW-Edition Downloader-FAOB!08D1FB5D17EF
FireEye Generic.mg.08d1fb5d17efa731
Emsisoft GenPack:Generic.Malware.SFB!dld!.32A45608 (B)
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1119983
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Uniemv.B
Arcabit GenPack:Generic.Malware.SFB!dld!.32A45608
AegisLab Trojan.Win32.Blocker.j!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.frmb
GData GenPack:Generic.Malware.SFB!dld!.32A45608
TACHYON Trojan/W32.Blocker.233472.O
AhnLab-V3 Trojan/Win32.Generic.R119440
McAfee Downloader-FAOB!08D1FB5D17EF
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Panda Trj/Genetic.gen
TrendMicro-HouseCall TSPY_DRIDEX.SMN2
Rising Trojan.Uniemv!8.955 (CLOUD)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.DFAR!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HxQB45IA

How to remove Trojan:Win32/Uniemv.B 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 Trojan:Win32/Uniemv.B 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 Trojan:Win32/Uniemv.B 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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