Trojan:Win32/Vundo

What is Trojan:Win32/Vundo infection?

In this post you will certainly discover regarding the meaning of Trojan:Win32/Vundo and its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by on-line frauds to demand paying the ransom by a victim.

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Most of the cases, Trojan:Win32/Vundo infection will advise its targets to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Trojan:Win32/Vundo Summary

These modifications 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.
• 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;
• Expresses interest in specific running processes;
• 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;
• Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Uses Windows utilities for basic functionality;
• Detects Sandboxie through the presence of a library;
• Detects SunBelt Sandbox through the presence of a library;
• Enumerates services, possibly for anti-virtualization;
• Detects the presence of Wine emulator via function name;
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
• Network activity contains more than one unique useragent.;
• 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 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.
• Checks the version of Bios, possibly for anti-virtualization;
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Creates a copy of itself;
• The sample wrote data to the system hosts file.;
• 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 files located on the victim’s hard disk — so the sufferer can no more make use of the data;
• Preventing regular accessibility to the sufferer’s workstation;

Trojan:Win32/Vundo

The most normal channels through which Trojan:Win32/Vundo Trojans are infused are:

• By ways of phishing emails;
• As a repercussion of user ending up on a source that holds a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s computer or stop the device from operating in an appropriate fashion – while likewise placing a ransom note that points out the need for the victims to impact the repayment for the objective of decrypting the files or restoring the data system back to the first problem. In a lot of instances, the ransom note will show up when the customer restarts the PC after the system has actually currently been damaged.

Trojan:Win32/Vundo distribution channels.

In numerous corners of the globe, Trojan:Win32/Vundo expands by jumps and bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom amount may vary depending upon particular regional (regional) setups. The ransom money notes as well as methods of obtaining the ransom quantity may differ depending on particular regional (regional) settings.

For example:

Faulty signals about unlicensed software application.

In certain locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s device. The alert then demands the user to pay the ransom.

Faulty declarations about prohibited material.

In nations where software program piracy is less popular, this approach is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Vundo popup alert might falsely declare to be stemming from a law enforcement institution and also will report having located youngster porn or other unlawful data on the gadget.

Trojan:Win32/Vundo popup alert may falsely claim to be acquiring from a regulation enforcement organization and will report having situated youngster pornography or other unlawful information on the tool. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:
crc32: F0959084
md5: 024e724e89b1373267c85a2a2436ca6f
name: 024E724E89B1373267C85A2A2436CA6F.mlw
sha1: 4116c937d512de552377c4195da6317b587d2794
sha256: 0d72bcd7d216c767f490b445489b249e8491e4ad1c6924bc7e0bf1b3c6f53687
sha512: d3844ec0e592a6f92aa3f3d4cb754f800f9746cc4a40e0de3c05cc1af606b8f3fdd7cc20d95e615d670a901186707c72d726098b4c37e330f0e61caf5d679ab7
ssdeep: 3072:sRJllQ0+Lma4/8jQl63x2kk4DzIqJiM+BCqJhrcoLzQxd5Rc7tJ7wotv0XQQ:srFMma4/am63x2kkezItHL0A7L7wRP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Cfaqrdcll Xtfahgmpgno. All rights reserved.
InternalName: kbdhe220 (3.12)
FileVersion: 5.2.3790.0 (srv03_rtm.030324-2048)
CompanyName: Ybbilpirn Nffnjwnvion
ProductName: Wjkjumarxxae Dmyhfkvxae Uxgdmjzwa Tesldj
ProductVersion: 5.2.3790.0
FileDescription: Greek IBM 220 Keyboard Layout
OriginalFilename: kbdhe220.dll
Translation: 0x0000 0x04b0

Trojan:Win32/Vundo also known as:

How to remove Trojan:Win32/Vundo 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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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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Vundo 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.

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.

Are Your Protected?

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If the guide doesn’t help you to remove Trojan:Win32/Vundo you can always ask me in the comments for getting help.

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