Ulise.93341 (B)

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

What is Ulise.93341 (B) infection?

In this article you will discover concerning the interpretation of Ulise.93341 (B) and its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom by a victim.

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In the majority of the cases, Ulise.93341 (B) ransomware will certainly instruct its victims to start funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Ulise.93341 (B) Summary

These adjustments 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 with CreateRemoteThread in a remote process;
  • 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.
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • 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.
  • Detects Sandboxie through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • 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 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.
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
j5cool.xyz BehavesLike.Win32.VirRansom.nc

Ulise.93341 (B)

The most typical networks where Ulise.93341 (B) Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a resource that organizes a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or stop the gadget from working in a correct way – while also positioning a ransom note that discusses the demand for the victims to impact the settlement for the function of decrypting the records or restoring the data system back to the preliminary problem. In most instances, the ransom note will turn up when the client restarts the PC after the system has actually already been damaged.

Ulise.93341 (B) circulation networks.

In numerous edges of the world, Ulise.93341 (B) expands by leaps as well as bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom money amount may differ relying on certain regional (regional) settings. The ransom money notes and also tricks of extorting the ransom amount may differ depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having found some unlicensed applications allowed on the victim’s tool. The alert then requires the individual to pay the ransom.

    Faulty statements regarding prohibited material.

    In countries where software piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the Ulise.93341 (B) popup alert might falsely claim to be stemming from a law enforcement establishment and also will certainly report having located youngster porn or other illegal information on the device.

    Ulise.93341 (B) popup alert may wrongly assert to be obtaining from a regulation enforcement organization and will certainly report having located youngster porn or other unlawful data on the tool. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: BBB76C1D
md5: 2a6734d4d4ba9290ff3309cf6c3275f1
name: wp.exe
sha1: 29b9e9d65275cad1b4b099d92c61a27d2c1b0b7f
sha256: 08f442c4d7bcbbfbed9cf39ed382529fdb1368f2cd8e8d88d39a987b566b705a
sha512: a6db8c638c630673c784da54b67affffa1974e1b6d5d6217cc5964ccf0d03e8460b1c0d52293141fb2237a2c227726e20fae793c78534fe2da46dbf347fa07fe
ssdeep: 768:FrqQ7AmV3rjBkyo1bJke8K9KWowCtwTx93FASDp3jVrzZVv:F33kNBowvF91AcrzZV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ulise.93341 (B) also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.PWS.Spy.21017
MicroWorld-eScan Gen:Variant.Ulise.93341
FireEye Generic.mg.2a6734d4d4ba9290
CAT-QuickHeal Trojan.Generic
Qihoo-360 Generic/HEUR/QVM19.1.C7DD.Malware.Gen
ALYac Trojan.Downloader.Dofoil.gen
Cylance Unsafe
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan-Downloader ( 0052c9d61 )
BitDefender Gen:Variant.Ulise.93341
K7GW Trojan-Downloader ( 0052c9d61 )
Cybereason malicious.4d4ba9
TrendMicro Trojan.Win32.ZURGOP.SM
BitDefenderTheta AI:Packer.EB5DFF611E
Cyren W32/Dofoil.H.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:Malware-gen
GData Gen:Variant.Ulise.93341
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba TrojanDownloader:Win32/Zurgop.ed61c714
NANO-Antivirus Trojan.Win32.Zurgop.fednlb
ViRobot Trojan.Win32.S.Agent.33280.AHL
Rising Downloader.Zurgop!8.4BB (CLOUD)
Ad-Aware Gen:Variant.Ulise.93341
Sophos Mal/Behav-204
Comodo Malware@#3oz2yeh9c90gi
F-Secure Trojan.TR/Crypt.XPACK.Gen
VIPRE Trojan.Win32.Winwebsec.m (v)
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.VirRansom.nc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Ulise.93341 (B)
Ikarus Trojan-Downloader.Win32.Dofoil
F-Prot W32/Dofoil.H.gen!Eldorado
Jiangmin Trojan.Generic.cspjr
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen
Endgame malicious (high confidence)
Arcabit Trojan.Ulise.D16C9D
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft TrojanDownloader:Win32/Dofoil.AD
AhnLab-V3 Trojan/Win32.Dofoil.R223509
Acronis suspicious
McAfee GenericRXGK-YC!2A6734D4D4BA
MAX malware (ai score=100)
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Trojan.Agent
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/TrojanDownloader.Zurgop.DA
TrendMicro-HouseCall Trojan.Win32.ZURGOP.SM
Tencent Win32.Trojan.Generic.Hrzb
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_100%
Fortinet W32/Zurgop.DA!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.7164915.susgen

How to remove Ulise.93341 (B) 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.

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 Ulise.93341 (B) 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 Ulise.93341 (B) 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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