Trojan.MalPack.DLF

Written by Robert Bailey

What is Trojan.MalPack.DLF infection?

In this short article you will find regarding the interpretation of Trojan.MalPack.DLF and its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom by a victim.

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In the majority of the instances, Trojan.MalPack.DLF ransomware will certainly instruct its targets to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s device.

Trojan.MalPack.DLF 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.
  • A process attempted to delay the analysis task.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Steals private information from local Internet browsers;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom.Wannacry
a.tomx.xyz Ransom.Wannacry

Trojan.MalPack.DLF

One of the most typical networks where Trojan.MalPack.DLF Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a resource that holds a harmful software program;

As soon as the Trojan is effectively infused, it will either cipher the data on the target’s PC or protect against the tool from functioning in a correct manner – while additionally positioning a ransom money note that discusses the requirement for the sufferers to effect the settlement for the function of decrypting the files or recovering the file system back to the preliminary condition. In most circumstances, the ransom money note will certainly turn up when the client reboots the PC after the system has actually already been harmed.

Trojan.MalPack.DLF circulation channels.

In numerous corners of the world, Trojan.MalPack.DLF expands by leaps and also bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom amount might vary depending on specific regional (local) setups. The ransom money notes and methods of extorting the ransom money quantity might vary depending on particular regional (regional) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s device. The alert after that demands the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In nations where software piracy is much less popular, this method is not as efficient for the cyber frauds. Conversely, the Trojan.MalPack.DLF popup alert may incorrectly assert to be stemming from a law enforcement institution and also will report having located youngster porn or other illegal data on the device.

    Trojan.MalPack.DLF popup alert may falsely declare to be acquiring from a legislation enforcement institution as well as will report having situated kid porn or various other illegal information on the device. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: BED6A7D8
md5: bfdc7ac0e240105924763da04f2e45fd
name: arinze.exe
sha1: b3b72e8c8fa8f888926e8b3d01ab448d178c557c
sha256: 446e55249a19fcefa746b41fc9ca16bf38c7e876b8334e46b92f53133269d78f
sha512: cbb8f050ba747ca8be11321cc09c80517193f1e4bae722599dc044bca78b5f3700bd29d3b22de9a1a7158e3d6c47a2a26be58ed4cc77c7b75581bb39f4ca186c
ssdeep: 24576:/Bcin4DWYW1aRamk8C2xzruPZp6AgV5PfA:/BjnISGLPxHuBp6AgvP4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.MalPack.DLF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Trojan.GenericKD.33555492
Qihoo-360 Win32/Trojan.PSW.63c
McAfee Artemis!BFDC7AC0E240
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.33555492
K7GW Riskware ( 0040eff71 )
Cybereason malicious.c8fa8f
TrendMicro TrojanSpy.Win32.LOKI.SMDF.hp
F-Prot W32/Trojan2.QBQU
Symantec Ransom.Wannacry
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.33555492
Kaspersky HEUR:Trojan-PSW.Win32.Chisburg.gen
Alibaba Trojan:Win32/DelfInject.ali2000015
Rising Trojan.Injector!1.AFE3 (CLASSIC)
Ad-Aware Trojan.GenericKD.33555492
Sophos Mal/Fareit-V
DrWeb Trojan.PWS.Siggen2.45058
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Fareit.dc
Trapmine malicious.high.ml.score
FireEye Generic.mg.bfdc7ac0e2401059
Emsisoft Trojan.GenericKD.33555492 (B)
Ikarus Trojan.Inject
Cyren W32/Trojan.JHLN-8204
Jiangmin Trojan.PSW.Chisburg.bgl
Webroot W32.Loki.Smdf
Antiy-AVL Trojan/Win32.Formbook
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D2000424
ZoneAlarm HEUR:Trojan-PSW.Win32.Chisburg.gen
Microsoft Trojan:Win32/FormBook.AQ!MTB
AhnLab-V3 Suspicious/Win.Delphiless.X2059
Acronis suspicious
BitDefenderTheta Gen:NN.ZelphiF.34100.5GW@aaIJ3jii
ALYac Trojan.GenericKD.33555492
MAX malware (ai score=82)
VBA32 TScope.Trojan.Delf
Malwarebytes Trojan.MalPack.DLF
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Injector.ELCU
TrendMicro-HouseCall TrojanSpy.Win32.LOKI.SMDF.hp
Yandex Trojan.Injector!RN9OPdZIqj0
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Injector.ELDL!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan.MalPack.DLF virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 Trojan.MalPack.DLF 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.MalPack.DLF 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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