What is Win32/LockScreen.ASV infection?

In this article you will locate concerning the definition of Win32/LockScreen.ASV as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom money by a sufferer.

Most of the situations, Win32/LockScreen.ASV infection will instruct its sufferers to launch funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Win32/LockScreen.ASV Summary

These modifications can be as adheres to:

• 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;
• Sniffs keystrokes;
• 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
• 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 more make use of the data;
• Preventing normal accessibility to the victim’s workstation;

Win32/LockScreen.ASV

One of the most regular networks whereby Win32/LockScreen.ASV are injected are:

• By means of phishing e-mails;
• As an effect of customer winding up on a source that hosts a destructive software application;

As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s PC or stop the device from operating in an appropriate manner – while additionally placing a ransom note that discusses the requirement for the sufferers to effect the payment for the function of decrypting the documents or restoring the file system back to the initial condition. In most instances, the ransom note will certainly come up when the client reboots the PC after the system has already been damaged.

Win32/LockScreen.ASV distribution channels.

In various corners of the world, Win32/LockScreen.ASV expands by jumps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom money quantity may vary relying on specific neighborhood (regional) setups. The ransom notes as well as methods of extorting the ransom quantity might differ depending on particular local (regional) settings.

For example:

Faulty notifies concerning unlicensed software program.

In certain locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s device. The sharp then demands the user to pay the ransom money.

Faulty statements concerning prohibited material.

In nations where software application piracy is less prominent, this technique is not as reliable for the cyber scams. Additionally, the Win32/LockScreen.ASV popup alert might wrongly claim to be deriving from a law enforcement organization as well as will report having located kid porn or various other prohibited data on the tool.

Win32/LockScreen.ASV popup alert might falsely claim to be deriving from a regulation enforcement institution as well as will report having located kid porn or other prohibited data on the device. The alert will similarly contain a demand for the customer to pay the ransom money.

Technical details

File Info:
crc32: C97D802Bmd5: 63970c5530ff10732c67420c41508384name: 63970C5530FF10732C67420C41508384.mlwsha1: af844fba9e4507b23682312f6562909cf9c527aesha256: 804bdea255b4d15ea9295013b6677c968b97b31743651cafa812498a364948b0sha512: 94694b65610ad3a415bb734fabb745c5936a239d9e0017bc0105878ac11dcf6f12879e254ffadf926c1d7092560090f06ca56b545e4cebe140c40cd41bd14f72ssdeep: 24576:4+ez/NFhW/AkVH+gN3nVNWqrlVyIv1TEG36:v6QVeYv9ld1TEG3type: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

Win32/LockScreen.ASV also known as: