MSIL/Agent.OQA

What is MSIL/Agent.OQA infection?

In this post you will discover concerning the meaning of MSIL/Agent.OQA and its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on-line scams to require paying the ransom money by a sufferer.

It is better to prevent, than repair and repent!

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Most of the cases, MSIL/Agent.OQA ransomware will certainly instruct its targets to launch funds move for the objective of counteracting the amendments that the Trojan infection has actually presented to the victim’s device.

MSIL/Agent.OQA 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.
• 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.
• 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;
• Executed a process and injected code into it, probably while unpacking;
• 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
• Creates a copy of itself;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Ciphering the papers situated on the target’s hard drive — so the target can no more utilize the information;
• Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

MSIL/Agent.OQA

One of the most typical networks through which MSIL/Agent.OQA 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 a consequence of customer ending up on a source that organizes a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s PC or prevent the gadget from working in an appropriate manner – while additionally putting a ransom note that points out the need for the victims to impact the repayment for the objective of decrypting the records or recovering the data system back to the first problem. In many circumstances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has currently been harmed.

MSIL/Agent.OQA circulation channels.

In numerous edges of the world, MSIL/Agent.OQA expands by leaps and also bounds. However, the ransom notes and methods of extorting the ransom money quantity might differ depending upon particular neighborhood (local) settings. The ransom money notes as well as techniques of extorting the ransom amount may differ depending on certain neighborhood (local) settings.

For instance:

Faulty alerts regarding unlicensed software.

In certain areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the customer to pay the ransom.

Faulty declarations regarding unlawful web content.

In nations where software program piracy is less preferred, this approach is not as efficient for the cyber fraudulences. Conversely, the MSIL/Agent.OQA popup alert may falsely assert to be originating from a police institution as well as will report having situated youngster porn or other prohibited data on the tool.

MSIL/Agent.OQA popup alert might incorrectly assert to be obtaining from a regulation enforcement organization and also will certainly report having located youngster pornography or other unlawful information on the gadget. The alert will likewise contain a need for the user to pay the ransom money.

Technical details

File Info:
crc32: 75EE2BF5
md5: 5b316303aa3ad842fe9f21545faeb1c1
name: 5B316303AA3AD842FE9F21545FAEB1C1.mlw
sha1: 72dd5b042ff43c11a2caab607b9377c21aff1f91
sha256: 87881fb72b3d5bb179374d29bf8ef1a0b47e068d61d528896588742804c47255
sha512: 71b57c0c9f03d9b6cf9036b1628a76cdf37e49e60e4e0d54ace1d5d45de5612ea42ea443486b5edbd44747f5e9938f3c2612da4994c5d840a567a2fb1ad10029
ssdeep: 3072:Bm50AbTdZME+53FmDGNT7FZP+PmlWhlLiw:nAXYB1mD0//mPmlWhlm
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2013
Assembly Version: 1.0.0.0
InternalName: Server.exe
FileVersion: 1.0.0.0
ProductName: Server
ProductVersion: 1.0.0.0
FileDescription: Server
OriginalFilename: Server.exe

MSIL/Agent.OQA also known as:

How to remove MSIL/Agent.OQA 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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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 MSIL/Agent.OQA 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 MSIL/Agent.OQA you can always ask me in the comments for getting help.

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