Trojan:Win32/Urelas!rfn

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan:Win32/Urelas!rfn infection?

In this short article you will locate regarding the interpretation of Trojan:Win32/Urelas!rfn as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the cases, Trojan:Win32/Urelas!rfn infection will certainly advise its victims to start funds transfer for the function of counteracting the amendments that the Trojan infection has actually introduced to the victim’s tool.

Trojan:Win32/Urelas!rfn Summary

These adjustments 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.
  • Attempts to connect to a dead IP:Port (4 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.

  • A process created a hidden window;
  • 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.
  • Unconventionial language used in binary resources: Korean;
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s hard drive — so the target can no longer use the data;
  • Preventing regular access to the target’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
z.whorecord.xyzTrojan-Ransom.Win32.GenericCryptor.czx
a.tomx.xyzTrojan-Ransom.Win32.GenericCryptor.czx

Trojan:Win32/Urelas!rfn

The most common networks through which Trojan:Win32/Urelas!rfn Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of user winding up on a source that holds a destructive software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or protect against the tool from operating in an appropriate way – while additionally putting a ransom note that points out the demand for the victims to effect the repayment for the purpose of decrypting the files or bring back the data system back to the initial condition. In most circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Urelas!rfn circulation channels.

In different corners of the globe, Trojan:Win32/Urelas!rfn grows by leaps and bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom quantity might differ depending upon specific regional (regional) setups. The ransom money notes and techniques of extorting the ransom money quantity may vary depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In countries where software program piracy is much less prominent, this technique is not as effective for the cyber frauds. Alternatively, the Trojan:Win32/Urelas!rfn popup alert might wrongly assert to be deriving from a law enforcement institution as well as will certainly report having located kid porn or other unlawful data on the tool.

    Trojan:Win32/Urelas!rfn popup alert may falsely assert to be obtaining from a regulation enforcement institution as well as will report having located youngster pornography or other prohibited data on the device. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: DCB7F66B
md5: c55e93c2263eac5d1ed3dd663c5a9292
name: C55E93C2263EAC5D1ED3DD663C5A9292.mlw
sha1: 1e2ccb58b88e07b2c01f3693c716962b3b4d58fd
sha256: 4eb51f419ecf9e188f4abaad0a945e5abf3ae286cda889e02d35fd142aa5208e
sha512: 4a0d5cf54dc24d0a268a90e03bcafb524461ec2fd140caa727eda743858cb9e7e960d67158a37d2f9822eb9b9bbae4df2a78afff0de3bb0b13bcdb409a79a9f1
ssdeep: 12288:sdBNKTCqqwXCcIgTs9+MvA+BisqYpxHtev:sLjQC7bs0S
type: MS-DOS executable, MZ for MS-DOS

Version Info:

0: [No Data]

Trojan:Win32/Urelas!rfn also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.Mint.SP.Urelas.1
FireEyeGeneric.mg.c55e93c2263eac5d
McAfeeDropper-FHZ!C55E93C2263E
CylanceUnsafe
ZillyaBackdoor.PePatch.Win32.40158
AegisLabTrojan.Win32.GenericCryptor.tq1w
SangforTrojan.Win32.Save.a
K7AntiVirusBackdoor ( 0053e8561 )
BitDefenderGen:Heur.Mint.SP.Urelas.1
K7GWBackdoor ( 0053e8561 )
Cybereasonmalicious.2263ea
BitDefenderThetaGen:NN.ZexaF.34590.IqX@aGo24RfO
CyrenW32/Urelas.E.gen!Eldorado
SymantecBackdoor.Matsnu.B
BaiduWin32.Trojan.Urelas.a
APEXMalicious
AvastWin32:Dropper-OAF [Drp]
ClamAVWin.Malware.Urelas-6838238-0
KasperskyTrojan-Ransom.Win32.GenericCryptor.czx
NANO-AntivirusTrojan.Win32.demmsd.eaqemx
RisingTrojan.Gupboot!1.9CEA (RDMK:cmRtazo5hQxVGWNjyIzhSP/QLjDL)
Ad-AwareGen:Heur.Mint.SP.Urelas.1
EmsisoftGen:Heur.Mint.SP.Urelas.1 (B)
ComodoTrojWare.Win32.Gupboot.BB@53dg1h
F-SecureTrojan.TR/Spy.Gen2
DrWebTrojan.AVKill.33464
VIPRETrojan.Win32.Urelas.o (v)
TrendMicroTrojan.Win32.Urelas.SM
McAfee-GW-EditionBehavesLike.Win32.Generic.hh
SophosML/PE-A + Troj/Urelas-Q
SentinelOneStatic AI – Malicious PE
JiangminBackdoor/Plite.ah
MaxSecureTrojan.Malware.300983.susgen
AviraTR/Spy.Gen2
Antiy-AVLTrojan[Ransom]/Win32.GenericCryptor
MicrosoftTrojan:Win32/Urelas!rfn
ArcabitTrojan.Mint.SP.Urelas.1
SUPERAntiSpywareTrojan.Agent/Gen-Urelas
ZoneAlarmTrojan-Ransom.Win32.GenericCryptor.czx
GDataGen:Heur.Mint.SP.Urelas.1
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Ransom.R231198
Acronissuspicious
VBA32BScope.Trojan.AVKill
MAXmalware (ai score=99)
MalwarebytesUrelas.Spyware.Stealer.DDS
PandaTrj/Genetic.gen
ZonerTrojan.Win32.31251
ESET-NOD32a variant of Win32/Urelas.U
TrendMicro-HouseCallTrojan.Win32.Urelas.SM
TencentRansom.Win32.CryLock.a
YandexTrojan.GenAsa!wYMR/w6b91M
IkarusTrojan.Win32.Toga
eGambitUnsafe.AI_Score_99%
FortinetW32/Urelas.O!tr
AVGWin32:Dropper-OAF [Drp]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Urelas.HgIASOgA

How to remove Trojan:Win32/Urelas!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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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 Trojan:Win32/Urelas!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/Urelas!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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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