TrojanDropper.Macrodrop

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

What is TrojanDropper.Macrodrop infection?

In this short article you will certainly discover concerning the definition of TrojanDropper.Macrodrop and its negative effect on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom by a sufferer.

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In the majority of the cases, TrojanDropper.Macrodrop infection will advise its victims to start funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s device.

TrojanDropper.Macrodrop Summary

These modifications 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;
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • 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.
  • 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;
  • Detects Sandboxie through the presence of a library;
  • Detects the presence of Wine emulator via function name;
  • Deletes its original binary from disk;
  • 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
  • Attempts to identify installed analysis tools by a known file location;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects the presence of Wine emulator via registry key;
  • Detects Sandboxie using a known mutex;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Checks for a known DeepFreeze Frozen State Mutex;
  • 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.
  • Ciphering the documents situated on the sufferer’s disk drive — so the victim can no longer 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.

TrojanDropper.Macrodrop

One of the most common channels through which TrojanDropper.Macrodrop are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that hosts a destructive software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or avoid the gadget from functioning in a correct fashion – while also placing a ransom money note that points out the demand for the targets to effect the payment for the objective of decrypting the documents or recovering the data system back to the initial condition. In many circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has currently been damaged.

TrojanDropper.Macrodrop circulation channels.

In numerous edges of the globe, TrojanDropper.Macrodrop expands by leaps and also bounds. However, the ransom notes and also tricks of obtaining the ransom amount might vary relying on particular local (regional) setups. The ransom money notes and also tricks of extorting the ransom quantity may vary depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the target’s gadget. The sharp then requires the user to pay the ransom money.

    Faulty statements about unlawful material.

    In countries where software program piracy is much less popular, this approach is not as effective for the cyber fraudulences. Conversely, the TrojanDropper.Macrodrop popup alert might incorrectly declare to be originating from a police organization as well as will certainly report having located child pornography or other illegal data on the device.

    TrojanDropper.Macrodrop popup alert might incorrectly claim to be deriving from a law enforcement institution and also will certainly report having located child porn or other prohibited data on the gadget. The alert will similarly consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 5EEDED96
md5: c2ad062409a4f9d161303659784445db
name: C2AD062409A4F9D161303659784445DB.mlw
sha1: 1c4728d437c51035f96fb88808e28e82001aa2dc
sha256: 8d0388cd3ed134e0fa5c976e72cee39d7c564bd2ecd02c83d0a95253f2758b37
sha512: 9e2a6772bd4c7e77416a7916218e199c2196b648f337ced99aa3d1167a429ca37e938d611228544bdab77f088de6fb7aef650d4572054fb41b67affb8324fc17
ssdeep: 3072:9A/tCd5i9cbVS4+fTW76Q3visRZrXOngX5KIDZGeE0irLtgaUYQ+SD2:GFi5BV5uW7vvisvO5IZGeUrhgaUYQ3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

TrojanDropper.Macrodrop also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop7.56904
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.BRMon.Gen.3
CylanceUnsafe
ZillyaTrojan.Scar.Win32.108131
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 0053305e1 )
K7AntiVirusTrojan ( 0053305e1 )
CyrenW32/S-72038380!Eldorado
SymantecTrojan Horse
ESET-NOD32a variant of Win32/Kryptik.GBCI
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Trojan.Emotet-6449264-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.3
NANO-AntivirusTrojan.Win32.Macrodrop.ewntkg
ViRobotTrojan.Win32.U.GlobeImposter.236032
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.BRMon.Gen.3
TencentMalware.Win32.Gencirc.10ba84da
Ad-AwareTrojan.BRMon.Gen.3
SophosMal/Generic-S
ComodoTrojWare.Win32.Jorik.A@7h097k
BitDefenderThetaGen:NN.ZexaF.34670.qu0@aqrcHQoi
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPGANDCRAB.SMG2
McAfee-GW-EditionBehavesLike.Win32.Trojan.dc
FireEyeGeneric.mg.c2ad062409a4f9d1
EmsisoftTrojan.BRMon.Gen.3 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Scar.las
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1102735
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Gandcrab.SF!MTB
ArcabitTrojan.BRMon.Gen.3
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.BRMon.Gen.3
AhnLab-V3Trojan/Win32.RansomCrypt.R220586
Acronissuspicious
McAfeeTrojan-FOSS!C2AD062409A4
MAXmalware (ai score=95)
VBA32TrojanDropper.Macrodrop
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMG2
RisingMalware.Obscure/Heur!1.A89E (CLOUD)
IkarusTrojan-Banker.UrSnif
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.GBKU!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCEpsA

How to remove TrojanDropper.Macrodrop 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 TrojanDropper.Macrodrop 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove TrojanDropper.Macrodrop 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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