Win32:Dropper-gen [Drp]

Written by Robert Bailey

What is Win32:Dropper-gen [Drp] infection?

In this short article you will locate regarding the definition of Win32:Dropper-gen [Drp] as well as its negative influence on your computer. Such ransomware are a form of malware that is specified by on the internet frauds to require paying the ransom money by a victim.

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Most of the situations, Win32:Dropper-gen [Drp] infection will certainly instruct its targets to launch funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s gadget.

Win32:Dropper-gen [Drp] Summary

These adjustments can be as adheres to:

  • 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.
  • Detected script timer window indicative of sleep style evasion;
  • 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 scripting utility was executed;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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.
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Detects VirtualBox through the presence of a registry key;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Ciphering the records located on the victim’s hard drive — so the target can no longer use the data;
  • Preventing regular accessibility to the target’s workstation;

Related domains: BScope.TrojanRansom.Gen BScope.TrojanRansom.Gen BScope.TrojanRansom.Gen

Win32:Dropper-gen [Drp]

One of the most regular networks where Win32:Dropper-gen [Drp] Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a source that organizes a harmful software application;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or avoid the gadget from working in a correct way – while also putting a ransom note that states the need for the victims to effect the payment for the objective of decrypting the documents or recovering the documents system back to the initial problem. In a lot of instances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually already been harmed.

Win32:Dropper-gen [Drp] circulation channels.

In numerous edges of the globe, Win32:Dropper-gen [Drp] grows by leaps as well as bounds. However, the ransom notes as well as tricks of extorting the ransom amount may vary relying on certain local (regional) setups. The ransom notes as well as tricks of extorting the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the target’s gadget. The alert then demands the user to pay the ransom.

    Faulty statements concerning illegal web content.

    In countries where software program piracy is less preferred, this approach is not as effective for the cyber scams. Conversely, the Win32:Dropper-gen [Drp] popup alert may incorrectly declare to be stemming from a law enforcement organization and also will certainly report having located youngster pornography or various other unlawful information on the gadget.

    Win32:Dropper-gen [Drp] popup alert may incorrectly claim to be acquiring from a law enforcement institution and also will report having located child porn or other prohibited data on the gadget. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 337073E2
md5: c7e720f6e0a0808ce29e3c5bf1f30a78
name: C7E720F6E0A0808CE29E3C5BF1F30A78.mlw
sha1: 402421bccf240296b4e3b29350783f8c3e994f5f
sha256: ecc31fdc2971e70a4fd133b5938450bf2e239ce63c48adc4765e9a826ae0fdf8
sha512: e7ee132e5f80b020e6b8488f2beeba7e11774e5d5e94a744ad0cde32e3bf0f215e7163ad63f5196b0c7793a560f164a8e57fb8fefb945fddca6a6c3225b47e8b
ssdeep: 49152:recC8oiq8xzVDzxApR8Pa9lq2dWw6MjEbZ+G43MQ:icFfDFy8Pa9lq2v/jEb8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:Dropper-gen [Drp] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45660074
CAT-QuickHeal Trojan.Temr
ALYac Trojan.GenericKD.45660074
Cylance Unsafe
AegisLab Trojan.Win32.Badur.lZKm
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.45660074
K7GW Riskware ( 0040eff71 )
Cybereason malicious.ccf240
Cyren W32/A-dfcd4cc8!Eldorado
Symantec ML.Attribute.HighConfidence
TotalDefense Win32/Tnega.AKEITS
APEX Malicious
Avast Win32:Dropper-gen [Drp]
ClamAV Win.Trojan.Agent-1115797
Kaspersky HEUR:Trojan.Win32.Temr.gen
Alibaba virus:Win32/InfectPE.ali2000007
NANO-Antivirus Trojan.Win32.Temr.cwgoin
ViRobot Trojan.Win32.Z.Temr.3395751
Tencent Win32.Virus.Plyromt.Tbil
Ad-Aware Trojan.GenericKD.45660074
Sophos ML/PE-A + Troj/Agent-AGVW
Comodo TrojWare.Win32.Meredrop.WSDY@59vy3r
F-Secure Trojan.TR/Meredrop.wsdy
DrWeb Trojan.DownLoader11.4249
Zillya Trojan.Temr.Win32.30
TrendMicro TROJ_GEN.R03BC0DAV21
McAfee-GW-Edition BehavesLike.Win32.Generic.wm
Emsisoft Trojan.GenericKD.45660074 (B)
Ikarus Trojan-Downloader.Win32.Tiny
Jiangmin Trojan.Generic.guwy
Avira TR/Meredrop.wsdy
MAX malware (ai score=82)
Antiy-AVL Trojan/Win32.Temr
Microsoft Trojan:Win32/Ymacco.AAEC
Gridinsoft Trojan.Win32.Downloader.oa
Arcabit Trojan.Generic.D2B8B7AA
ZoneAlarm HEUR:Trojan.Win32.Temr.gen
GData Win32.Trojan.Agent.WP
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Exploit.R105896
Acronis suspicious
McAfee GenericRXAA-AA!C7E720F6E0A0
VBA32 BScope.TrojanRansom.Gen
Malwarebytes Malware.AI.3900326826
Panda Trj/Genetic.gen
ESET-NOD32 Win32/Plyromt.A
TrendMicro-HouseCall TROJ_GEN.R03BC0DAV21
Rising Trojan.Injector!1.A1C3 (CLASSIC)
Yandex Trojan.Temr!EMNCE67R25E
SentinelOne Static AI – Malicious PE
Fortinet W32/GenKryptik.ESFJ!tr
AVG Win32:Dropper-gen [Drp]
CrowdStrike win/malicious_confidence_90% (D)
Qihoo-360 Win32/Trojan.Ymacco.HwcBCfcA

How to remove Win32:Dropper-gen [Drp] 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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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.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32:Dropper-gen [Drp] 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 Win32:Dropper-gen [Drp] you can always ask me in the comments for getting help.

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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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