Win32/Injector.CNVU

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

What is Win32/Injector.CNVU infection?

In this short article you will locate about the interpretation of Win32/Injector.CNVU and its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by online scams to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Injector.CNVU ransomware will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the target’s device.

Win32/Injector.CNVU Summary

These alterations 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Steals private information from local Internet browsers;
  • Exhibits behavior characteristic of Pony malware;
  • Collects information about installed applications;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed mail clients;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the victim’s hard drive — so the sufferer can no longer use 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.

Win32/Injector.CNVU

One of the most common channels where Win32/Injector.CNVU Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a source that holds a destructive software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or stop the device from operating in an appropriate fashion – while likewise placing a ransom money note that points out the demand for the victims to effect the repayment for the function of decrypting the records or restoring the file system back to the first condition. In a lot of circumstances, the ransom note will come up when the customer reboots the COMPUTER after the system has already been damaged.

Win32/Injector.CNVU circulation networks.

In different edges of the globe, Win32/Injector.CNVU grows by jumps and bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount may vary relying on particular neighborhood (local) setups. The ransom money notes and techniques of obtaining the ransom money amount may differ depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications enabled on the target’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty declarations about prohibited material.

    In countries where software application piracy is much less popular, this technique is not as effective for the cyber scams. Additionally, the Win32/Injector.CNVU popup alert might incorrectly claim to be deriving from a police establishment and will certainly report having situated child pornography or various other unlawful data on the tool.

    Win32/Injector.CNVU popup alert might wrongly declare to be obtaining from a legislation enforcement institution and will certainly report having situated child pornography or other illegal data on the gadget. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 7234AB99
md5: 02cce04b2b40132fb0cb9db26ae2e6ae
name: 02CCE04B2B40132FB0CB9DB26AE2E6AE.mlw
sha1: 872758250bbe480f97b12606302bab076eabe624
sha256: d39c8e33fb70f415fa396022faa3fb5cea2a20d932546ea59f3b151ae6953c3e
sha512: e9e3853a88fcd8e00cc0f13dc3442d0a6e2ad4ac4eecb57f7079db83a3856b9e9a28349fa6d8084277104faa4e240f8bfc8559f596a097ae32c832c5edf133b8
ssdeep: 6144:CJXfUM0OusFdmsjU2h82K2urAiKboleQ2:CJXcSZm2h82K2uxq3n
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.CNVU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3991 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen1.44636
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Generic.B4
ALYac Gen:Variant.Ransom.Seven.17
Cylance Unsafe
Zillya Worm.Palevo.Win32.116590
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0055e3991 )
Cybereason malicious.b2b401
Symantec Trojan.Cidox!gm
ESET-NOD32 a variant of Win32/Injector.CNVU
APEX Malicious
Avast Win32:Dropper-gen [Drp]
ClamAV Win.Dropper.AppWizard-7458966-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.Seven.17
NANO-Antivirus Trojan.Win32.TrjGen.dzbzcd
MicroWorld-eScan Gen:Variant.Ransom.Seven.17
Tencent Trojan.Win32.Dridex.a
Ad-Aware Gen:Variant.Ransom.Seven.17
Sophos ML/PE-A + Mal/Zbot-UH
BitDefenderTheta Gen:NN.ZexaF.34670.pyZ@aS@YCLE
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_HPCRYPCTB.SMR
McAfee-GW-Edition RDN/Spybot.ac
FireEye Generic.mg.02cce04b2b40132f
Emsisoft Gen:Variant.Ransom.Seven.17 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Diple.bud
Avira HEUR/AGEN.1120595
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan[PSW]/Win32.Fareit
Microsoft PWS:Win32/Fareit
Arcabit Trojan.Ransom.Seven.17
GData Gen:Variant.Ransom.Seven.17
AhnLab-V3 Trojan/Win32.Dridex.R183917
McAfee RDN/Spybot.ac
MAX malware (ai score=87)
VBA32 BScope.Malware-Cryptor.Hlux
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_HPCRYPCTB.SMR
Rising Malware.Obscure!1.A3BB (RDMK:cmRtazr5EcYqIY7JZ31YTGqDoISm)
Yandex Trojan.PWS.Fareit!3EvwiMwN8sA
Fortinet W32/Injector.CNVU!tr
AVG Win32:Dropper-gen [Drp]

How to remove Win32/Injector.CNVU 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 Win32/Injector.CNVU 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 Win32/Injector.CNVU 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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