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

What is Ransom:Win32/CryptoLemPiz.A infection?

In this short article you will locate about the interpretation of Ransom:Win32/CryptoLemPiz.A and its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom money by a victim.

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In the majority of the cases, Ransom:Win32/CryptoLemPiz.A ransomware will instruct its targets to initiate funds transfer for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the target’s gadget.

Ransom:Win32/CryptoLemPiz.A Summary

These adjustments can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Czech;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Executed a process and injected code into it, probably while unpacking;
  • 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!
  • Modifies boot configuration settings;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the victim’s hard disk — so the target can no more make use of the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
ckpcontur.com Trojan.Ransom.Cry36
vovikputin.com Trojan.Ransom.Cry36
protonred.com Trojan.Ransom.Cry36


One of the most normal networks whereby Ransom:Win32/CryptoLemPiz.A Ransomware Trojans 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 an effect of individual winding up on a source that organizes a harmful software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or avoid the device from working in an appropriate way – while also positioning a ransom money note that states the need for the sufferers to impact the settlement for the objective of decrypting the records or restoring the documents system back to the preliminary problem. In the majority of instances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been damaged.

Ransom:Win32/CryptoLemPiz.A distribution networks.

In various edges of the globe, Ransom:Win32/CryptoLemPiz.A grows by leaps and also bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom money amount might differ depending on specific local (local) setups. The ransom money notes as well as tricks of extorting the ransom money quantity might vary depending on specific local (regional) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In countries where software piracy is much less prominent, this method is not as effective for the cyber scams. Additionally, the Ransom:Win32/CryptoLemPiz.A popup alert might incorrectly declare to be stemming from a police establishment and also will certainly report having situated kid pornography or other prohibited information on the tool.

    Ransom:Win32/CryptoLemPiz.A popup alert might wrongly claim to be deriving from a regulation enforcement organization as well as will report having located kid porn or various other prohibited information on the tool. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 48FCD526
md5: ef16a975b19ef4e40a57b2d266d2af60
name: EF16A975B19EF4E40A57B2D266D2AF60.mlw
sha1: 3627ae99ceafe67f96a87f58ef86d7115f17365f
sha256: f89ba794c57591460ed283807ad0908cfe90738eb51dc80366917788e4e7c20b
sha512: eebbdee3f96132567b3a303cb895962fac6e7a17aa34cdba7ce786ccbde4aa0042f14757a8ed04c9e35a6970a8f9e0c9fd172e84fa09e4c3e2f8d019528cab2d
ssdeep: 3072:ollpozlhx9rrffRuPyTb4Lg1Npxsf+ZI2PVKjPkzP9R7G4p:ozNyf4Lg1N42ZIxgRq4p
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: Copyrights (c) Noctern1 ltd. 2000 - 2017
InternalName: pOverHit
FileVersion: 1.00.0944
CompanyName: Noctern1
ProductName: Noctern1
ProductVersion: 1.00.0944
FileDescription: What Makes A High Performance Organization includes many real-life examples
OriginalFilename: pOverHit.exe

Ransom:Win32/CryptoLemPiz.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader6.44789
MicroWorld-eScan Gen:Variant.Johnnie.19538
FireEye Generic.mg.ef16a975b19ef4e4
ALYac Trojan.Ransom.Cry36
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005117e11 )
BitDefender Gen:Variant.Johnnie.19538
K7GW Trojan ( 005117e11 )
Cybereason malicious.5b19ef
BitDefenderTheta Gen:NN.ZevbaF.34804.mm3@aqPZprkG
Symantec Ransom.Crysis
TrendMicro-HouseCall BKDR_HPPOISON.SM
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Cryptoff.ab
NANO-Antivirus Trojan.Win32.Cryptoff.eqvghh
Rising Ransom.Cryptoff!8.E62C (CLOUD)
Ad-Aware Gen:Variant.Johnnie.19538
Sophos Mal/Generic-S
Comodo Malware@#2t0q0vshtnlza
F-Secure Heuristic.HEUR/AGEN.1113141
Zillya Trojan.Injector.Win32.538326
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.dc
Emsisoft Gen:Variant.Johnnie.19538 (B)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1113141
Antiy-AVL Trojan[Ransom]/Win32.Cryptoff
Microsoft Ransom:Win32/CryptoLemPiz.A
Arcabit Trojan.Johnnie.D4C52
ZoneAlarm Trojan-Ransom.Win32.Cryptoff.ab
GData Win32.Malware.Bucaspys.E
Cynet Malicious (score: 100)
McAfee GenericRXBY-PK!EF16A975B19E
MAX malware (ai score=100)
VBA32 Hoax.Cryptoff
Malwarebytes Malware.AI.4241650172
Panda Trj/CI.A
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DXUR
Tencent Win32.Trojan.Cryptoff.Alik
Yandex Trojan.GenAsa!AiIinaYdpB4
Ikarus Trojan.Win32.Injector
Fortinet W32/GenKryptik.ANEO!tr
Webroot W32.Malware.Gen
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Dropper.e9a

How to remove Ransom:Win32/CryptoLemPiz.A ransomware?

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 Ransom:Win32/CryptoLemPiz.A 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 Ransom:Win32/CryptoLemPiz.A 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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