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

What is Zusy.190520 infection?

In this short article you will certainly find regarding the interpretation of Zusy.190520 and its unfavorable effect on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Zusy.190520 ransomware will certainly instruct its victims to launch funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s device.

Zusy.190520 Summary

These adjustments can be as complies with:

  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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
  • 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.
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard disk — so the target can no longer make use of the data;
  • Preventing normal access 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.


One of the most typical networks whereby Zusy.190520 are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual winding up on a resource that holds a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the target’s PC or protect against the device from working in a proper fashion – while also putting a ransom money note that mentions the requirement for the victims to impact the settlement for the function of decrypting the files or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually already been damaged.

Zusy.190520 circulation channels.

In various edges of the world, Zusy.190520 expands by jumps as well as bounds. However, the ransom notes and techniques of extorting the ransom quantity might differ depending upon certain local (regional) setups. The ransom notes and tricks of extorting the ransom money quantity might differ depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the victim’s device. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding illegal content.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber frauds. Conversely, the Zusy.190520 popup alert may incorrectly assert to be deriving from a law enforcement establishment and will report having located youngster porn or various other prohibited information on the tool.

    Zusy.190520 popup alert may incorrectly claim to be acquiring from a legislation enforcement institution and will report having situated kid pornography or other illegal data on the gadget. The alert will similarly consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 952FD873
md5: 5fd1d4ec565ed17782346a7c8f4d6c41
name: 23961f82151fff58.exe
sha1: 5650d867a16ae5e62c9933a3bc78143bc5d6be2f
sha256: c4ff44162a3f4921054d7b4daaf7be72fc903e3601c82112a635b408547d8fbb
sha512: 838d336cbd721193c3171cb9dfb70ff3e9815ac64388986c14d52451f353217aa4dea43439d9d44d5268b2ae510a5fd062d4219ce496e82ae9ba2bc1d1fce093
ssdeep: 3072:5BgjS2GJyRGvl3hF85k+6LLH1zN14GPEdGVM9h9kKhnsE7FBPcPNyewtT:5fMG9RFsULVxbPEdGV0AIs8BPcPNr
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Zusy.190520 also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.KillProc.26668
MicroWorld-eScan Gen:Variant.Zusy.190520
FireEye Generic.mg.5fd1d4ec565ed177
CAT-QuickHeal Ransom.Somhoveran.C8
McAfee GenericRXAA-AA!5FD1D4EC565E
Cylance Unsafe
Zillya Trojan.Gimemo.Win32.8819
Sangfor Malware
K7AntiVirus Trojan ( 7000000f1 )
BitDefender Gen:Variant.Zusy.190520
K7GW Trojan ( 7000000f1 )
Cybereason malicious.c565ed
TrendMicro Mal_LockScreen
BitDefenderTheta AI:Packer.C8B9B88521
Cyren W32/A-32df3ff0!Eldorado
Symantec SMG.Heur!gen
TotalDefense Win32/Tnega.AVPY
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Ransomware.Gimemo-6725202-0
GData Win32.Trojan-Ransom.Somhoveran.A
Kaspersky Trojan-Ransom.Win32.Gimemo.cdqu
NANO-Antivirus Trojan.Win32.Gimemo.foalcc
Rising Trojan.LockScreen!1.AA76 (RDMK:cmRtazoWP1/3938DAHxZjKW2IcTJ)
Endgame malicious (moderate confidence)
Comodo TrojWare.Win32.Ransom.Somhoveran.C@849qai
F-Secure Trojan.TR/Strictor.oiuya
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition GenericRXEQ-QT!23BF609533F2
Trapmine suspicious.low.ml.score
CMC Trojan-Ransom.Win32.Gimemo!O
Emsisoft Gen:Variant.Zusy.190520 (B)
SentinelOne DFI – Suspicious PE
F-Prot W32/A-32df3ff0!Eldorado
Jiangmin Trojan.Gimemo.tj
MaxSecure Trojan.Malware.300983.susgen
Avira TR/Strictor.oiuya
Antiy-AVL Trojan[Ransom]/Win32.Gimemo.bdvq
Microsoft Trojan:Win32/Wacatac.D!ml
Arcabit Trojan.Zusy.D2E838
SUPERAntiSpyware Trojan.Agent/Gen-Graftor
ZoneAlarm Trojan-Ransom.Win32.Gimemo.cdqu
TACHYON Ransom/W32.DP-Gimemo.446464
AhnLab-V3 Trojan/Win32.Gimemo.R87557
VBA32 TScope.Trojan.Delf
ALYac Gen:Variant.Zusy.190520
MAX malware (ai score=82)
Ad-Aware Gen:Variant.Zusy.190520
Malwarebytes Trojan.Agent.RNS
Panda Trj/Genetic.gen
Zoner Trojan.Win32.88717
ESET-NOD32 a variant of Win32/LockScreen.AWI
TrendMicro-HouseCall Mal_LockScreen
Tencent Ransom.Win32.Gmie.a
Yandex Trojan.GreenLock.Gen.UO
Ikarus Trojan.Strictor
eGambit Unsafe.AI_Score_100%
Fortinet W32/LockScreen.AW!tr
AVG Win32:Evo-gen [Susp]
CrowdStrike win/malicious_confidence_60% (D)
Qihoo-360 HEUR/QVM11.1.9E5F.Malware.Gen

How to remove Zusy.190520 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Zusy.190520 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 Zusy.190520 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/
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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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