Trojan:Win32/Tiggre!rfn

Written by Robert Bailey

What is Trojan:Win32/Tiggre!rfn infection?

In this short article you will certainly locate regarding the definition of Trojan:Win32/Tiggre!rfn and also its negative effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom money by a victim.

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Most of the instances, Trojan:Win32/Tiggre!rfn infection will instruct its targets to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Tiggre!rfn Summary

These alterations 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.
  • Injection (inter-process);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (2 unique times);
  • 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.
  • 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.

  • Performs some HTTP requests;
  • 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;
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard drive — so the target can no more use the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
launcher.nullcoreproject.net Trojan.TR/Vundo.Gen
nullcoreproject.net Trojan.TR/Vundo.Gen
www.bing.com Trojan.TR/Vundo.Gen

Trojan:Win32/Tiggre!rfn

One of the most normal networks whereby Trojan:Win32/Tiggre!rfn Trojans are injected are:

  • By means of phishing emails;
  • As an effect of individual ending up on a resource that hosts a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or avoid the tool from functioning in a correct way – while additionally placing a ransom money note that discusses the demand for the sufferers to impact the payment for the function of decrypting the documents or recovering the documents system back to the first problem. In many instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has already been harmed.

Trojan:Win32/Tiggre!rfn distribution channels.

In numerous corners of the world, Trojan:Win32/Tiggre!rfn expands by jumps as well as bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money quantity may vary depending on specific regional (regional) setups. The ransom notes and methods of obtaining the ransom amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty declarations about unlawful web content.

    In countries where software program piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/Tiggre!rfn popup alert may falsely declare to be originating from a law enforcement institution and will report having located youngster porn or various other illegal information on the tool.

    Trojan:Win32/Tiggre!rfn popup alert may falsely claim to be deriving from a legislation enforcement institution as well as will certainly report having situated child pornography or various other prohibited information on the device. The alert will similarly have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 85E4EC8A
md5: 4e77841f22749f3ed05ef55dcc9fc4f3
name: 4E77841F22749F3ED05EF55DCC9FC4F3.mlw
sha1: 325287848665553001f790b49a840ee331886746
sha256: dd2a7c65cba4cd9890d4a30ebd9b843e13ca421a4bee8bf7b393ff08b2072f0c
sha512: 0af4a04ea71f872aea9ee9225421133e32303cb2a9a66d35025b83b20727f5d769e5d9071a69ff6ca8ba26e875ff6a75027c5d8f00e6935898b49379b5cb4450
ssdeep: 768:uhHU8daRnNsYgOASaEVQjzvaA/EpOIuf:YBw3BVQj3cYIuf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Tiggre!rfn also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.288051
McAfee GenericRXGO-WQ!4E77841F2274
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 00527ab11 )
BitDefender Gen:Variant.Zusy.288051
K7GW Trojan ( 00527ab11 )
Cybereason malicious.f22749
Cyren W32/S-697fd132!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Invader!8.450 (TFE:1:rB2Ia4aeQRD)
Ad-Aware Gen:Variant.Zusy.288051
Sophos Mal/Generic-S
Comodo Malware@#d2i126nfsnhq
F-Secure Trojan.TR/Vundo.Gen
McAfee-GW-Edition BehavesLike.Win32.Generic.nc
MaxSecure Trojan.Malware.300983.susgen
FireEye Generic.mg.4e77841f22749f3e
Emsisoft Gen:Variant.Zusy.288051 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Vundo.Gen
MAX malware (ai score=96)
Antiy-AVL Trojan/Win32.Invader
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Zusy.D46533
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Zusy.288051
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C2309462
Acronis suspicious
VBA32 BScope.Trojan.Invader
ALYac Gen:Variant.Zusy.288051
Malwarebytes Malware.Heuristic.1001
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Injector.EDHG
Tencent Win32.Trojan.Generic.Pftn
Yandex Trojan.GenAsa!A+B4FkZn3JY
Ikarus Trojan.Vundo
eGambit Unsafe.AI_Score_98%
Fortinet W32/Kryptik.GOIA!tr
BitDefenderTheta AI:Packer.BF0FED311F
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)

How to remove Trojan:Win32/Tiggre!rfn 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Tiggre!rfn 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 Trojan:Win32/Tiggre!rfn 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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