MSIL/Spy.Keylogger.AUF

What is MSIL/Spy.Keylogger.AUF infection?

In this post you will find concerning the interpretation of MSIL/Spy.Keylogger.AUF and its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom by a target.

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Most of the instances, MSIL/Spy.Keylogger.AUF virus will instruct its targets to start funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the target’s device.

MSIL/Spy.Keylogger.AUF Summary

These modifications can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • 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 located on the victim’s hard drive — so the victim can no longer use the data;
  • Preventing regular accessibility to the victim’s workstation;

MSIL/Spy.Keylogger.AUF

The most common channels whereby MSIL/Spy.Keylogger.AUF Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or protect against the gadget from functioning in a correct way – while also putting a ransom money note that discusses the demand for the sufferers to effect the settlement for the function of decrypting the documents or bring back the documents system back to the initial condition. In many instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

MSIL/Spy.Keylogger.AUF circulation networks.

In various corners of the world, MSIL/Spy.Keylogger.AUF expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom amount may differ depending on particular regional (local) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might differ depending on certain local (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The alert then demands the individual to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software program piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Alternatively, the MSIL/Spy.Keylogger.AUF popup alert may wrongly assert to be deriving from a law enforcement organization and also will report having located child porn or various other prohibited data on the device.

    MSIL/Spy.Keylogger.AUF popup alert may incorrectly claim to be acquiring from a regulation enforcement institution and will report having situated kid pornography or various other prohibited data on the gadget. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: D128EC7C
md5: 71e65a674a16e690bf822113863716d0
name: 71E65A674A16E690BF822113863716D0.mlw
sha1: 758cadd080452a00624afe4ee881dfab56d953f8
sha256: ef7ed3b70838e286adebf9e55bc4ce64d1dd35cd918e9dbc5d5f6ed19a58d882
sha512: bbe99733cbab709dd2aa2bfed61720db989fb9d2593c14ba1544828789cedf50f5720df57b791b79d70fad112a542a241f5dd551fd6ac89e028fda64c3d0c49d
ssdeep: 384:zdLKWtdpradwTeQ1PeTkwFW4S/S/J9Jass+1uiXSKAUPEQPr9xL16:j1raiTJWphSe4+mQMQPrrL4
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version: 1.0.0.0
InternalName: ConsoleApplication1.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: ConsoleApplication1
ProductVersion: 1.0.0.0
FileDescription: ConsoleApplication1
OriginalFilename: ConsoleApplication1.exe

MSIL/Spy.Keylogger.AUF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Spyware ( 004cf9741 )
Cynet Malicious (score: 85)
ALYac Trojan.GenericKD.5311951
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/Blocker.882a6243
K7GW Spyware ( 004cf9741 )
Cybereason malicious.74a16e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Spy.Keylogger.AUF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.kcba
BitDefender Trojan.GenericKD.5311951
NANO-Antivirus Trojan.Win32.Blocker.eqalfo
MicroWorld-eScan Trojan.GenericKD.5311951
Tencent Win32.Trojan.Blocker.Aiig
Ad-Aware Trojan.GenericKD.5311951
Sophos Mal/Generic-S
Comodo Malware@#37wtuf59bode6
BitDefenderTheta Gen:NN.ZemsilF.34670.bm0@a0F4OAn
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.71e65a674a16e690
Emsisoft Trojan.GenericKD.5311951 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_99%
Microsoft PUA:Win32/Vigua.A
AegisLab Trojan.Win32.Blocker.4!c
GData Trojan.GenericKD.5311951
McAfee Artemis!71E65A674A16
MAX malware (ai score=88)
VBA32 Hoax.Blocker
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!jyCcdMaYRyY
Ikarus Trojan.MSIL.Spy
Fortinet MSIL/Keylogger.AUF!tr.spy
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOoA

How to remove MSIL/Spy.Keylogger.AUF 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.

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 MSIL/Spy.Keylogger.AUF 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 MSIL/Spy.Keylogger.AUF 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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