Win32/LockScreen.BUK

What is Win32/LockScreen.BUK infection?

In this post you will certainly discover about the meaning of Win32/LockScreen.BUK and its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to require paying the ransom money by a sufferer.

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In the majority of the cases, Win32/LockScreen.BUK virus will instruct its targets to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s gadget.

Win32/LockScreen.BUK Summary

These modifications can be as follows:

• 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.
• A process attempted to delay the analysis task.;
• A process created a hidden window;
• Unconventionial language used in binary resources: Russian;
• 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.
• 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 documents situated on the sufferer’s hard disk — so the victim can no more make use of the data;
• Preventing normal accessibility to the victim’s workstation;

Win32/LockScreen.BUK

One of the most regular channels whereby Win32/LockScreen.BUK Trojans are injected are:

• By methods of phishing emails;
• As an effect of customer ending up on a source that hosts a destructive software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or stop the gadget from working in an appropriate fashion – while additionally placing a ransom note that mentions the demand for the sufferers to effect the settlement for the purpose of decrypting the documents or recovering the data system back to the initial problem. In the majority of instances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has currently been damaged.

Win32/LockScreen.BUK distribution channels.

In different edges of the world, Win32/LockScreen.BUK expands by leaps as well as bounds. Nevertheless, the ransom money notes and tricks of obtaining the ransom amount may differ depending upon certain neighborhood (local) setups. The ransom money notes as well as techniques of obtaining the ransom amount may differ depending on particular regional (local) settings.

For instance:

Faulty informs regarding unlicensed software program.

In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the customer to pay the ransom.

Faulty statements concerning prohibited material.

In nations where software program piracy is much less preferred, this approach is not as effective for the cyber frauds. Alternatively, the Win32/LockScreen.BUK popup alert may wrongly claim to be stemming from a law enforcement organization and also will report having situated child pornography or various other prohibited information on the tool.

Win32/LockScreen.BUK popup alert might wrongly claim to be deriving from a law enforcement establishment and also will report having located child pornography or other unlawful information on the device. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:
crc32: E5225204
md5: ad122dd5fa515d7cb2c0422daac8c181
name: AD122DD5FA515D7CB2C0422DAAC8C181.mlw
sha1: 60ca9e7631d5e61f98a5af1074d012e4d163b217
sha256: 203030d0dd3aafde5a4dbda2fea4e865e2bb0f673b26acf82106835a1468252b
sha512: 2829d87db619ad338247f466990ff99d99f4821ea9e287d5d2297873ad3088290807d61a7851082cb05fac27e13983af0694d2bd10f02dd4a05a7847aa162827
ssdeep: 24576:LjqCrEWP9WDA47JJtC4jtN8WKwXfEj6eQzT7D:nqKQJs4x2eXfq6ecT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Win32/LockScreen.BUK also known as:

How to remove Win32/LockScreen.BUK 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.

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 Win32/LockScreen.BUK 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 Win32/LockScreen.BUK you can always ask me in the comments for getting help.

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