Written by Robert Bailey

What is Trojan-Dropper.Win32.Dropback.cs infection?

In this short article you will certainly discover regarding the definition of Trojan-Dropper.Win32.Dropback.cs and also its unfavorable impact on your computer. Such ransomware are a form of malware that is specified by online scams to require paying the ransom by a victim.

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Most of the instances, Trojan-Dropper.Win32.Dropback.cs virus will certainly instruct its victims to start funds move for the purpose of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s device.

Trojan-Dropper.Win32.Dropback.cs Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to delete volume shadow copies;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the target’s hard disk drive — so the victim can no more use the information;
  • Preventing regular accessibility to the sufferer’s workstation;


One of the most regular channels whereby Trojan-Dropper.Win32.Dropback.cs Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a resource that holds a destructive software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or prevent the tool from functioning in an appropriate fashion – while likewise putting a ransom note that states the demand for the targets to effect the settlement for the purpose of decrypting the papers or bring back the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan-Dropper.Win32.Dropback.cs distribution networks.

In various corners of the globe, Trojan-Dropper.Win32.Dropback.cs grows by leaps as well as bounds. However, the ransom money notes as well as techniques of obtaining the ransom money quantity might vary depending on specific regional (regional) setups. The ransom money notes as well as techniques of obtaining the ransom money amount might differ depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually identified some unlicensed applications made it possible for on the target’s tool. The alert after that demands the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software program piracy is much less preferred, this method is not as efficient for the cyber frauds. Alternatively, the Trojan-Dropper.Win32.Dropback.cs popup alert might wrongly assert to be deriving from a police institution and also will report having situated youngster pornography or other prohibited data on the tool.

    Trojan-Dropper.Win32.Dropback.cs popup alert might wrongly claim to be acquiring from a legislation enforcement organization and will certainly report having situated youngster pornography or other unlawful data on the device. The alert will likewise contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 4E5BB1E4
md5: b1f9461378a69494e459bbc5703252f8
name: B1F9461378A69494E459BBC5703252F8.mlw
sha1: d6373445d34b4556bc7c0d42a00c661705a3e014
sha256: 7454b33f809a1e95d4f10f9fb8a79be539cb3294df3bd98cf96adb29583461a7
sha512: b0c3479c10246c32d667666d2ab80abb2c22489475cb0b164a710f0f7839fa966209c5b3e6b0347cfb36ab930e6fa3e2e5d3f62a79d6bf35255eb61ee589e09f
ssdeep: 12288:PjWw1Lryy4MZHM6xQg5qrqAFB9XeFe5YCplZlNH2jzblHRv:PjB1Lryy42HM6xQTqAFjec5YCpvH2j9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (C)Info-ZIP 2007-2015
InternalName: Codetypedeclaration Deserialize
CompanyName: Info-ZIP
LegalTrademarks: (C)Info-ZIP 2007-2015
Comments: Electronic Leveraging Offload Connmgr
ProductName: Codetypedeclaration Deserialize
FileDescription: Electronic Leveraging Offload Connmgr
OriginalFilename: Codetypedeclaration Deserialize.exe
Translation: 0x0409 0x04b0

Trojan-Dropper.Win32.Dropback.cs also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00519f781 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Crysis
Cylance Unsafe
Zillya Trojan.Dropback.Win32.16
Sangfor Trojan.Win32.Malware.gen
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanDropper:Win32/Dropback.cde20036
K7GW Trojan ( 00519f781 )
Cybereason malicious.378a69
Cyren W32/Crysis.CUJV-6895
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Crysis.P
APEX Malicious
Avast Other:Malware-gen [Trj]
Kaspersky Trojan-Dropper.Win32.Dropback.cs
BitDefender Trojan.GenericKD.42748342
NANO-Antivirus Trojan.Win32.Dropback.hjehlp
MicroWorld-eScan Trojan.GenericKD.42748342
Tencent Win32.Trojan.Filecoder.Pgmr
Ad-Aware Trojan.GenericKD.42748342
Sophos Mal/Generic-S
Comodo Malware@#ji0r3foaotiq
BitDefenderTheta Gen:NN.ZexaF.34266.SC0@aOsGCDpi
VIPRE Win32.Malware!Drop
TrendMicro Trojan.Win32.SKEEYAH.WLDC
Emsisoft Trojan.GenericKD.42748342 (B)
Webroot W32.Adware.Gen
Avira TR/Ransom.Crysis.decxk
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.300E24E
Microsoft Trojan:Win32/Skeeyah.A!MTB
GData Win32.Trojan.Agent.2DL3YU
AhnLab-V3 Malware/Win32.Generic.C4003727
McAfee Artemis!B1F9461378A6
MAX malware (ai score=100)
VBA32 BScope.Trojan.Weelsof
Panda Trj/WLT.F
TrendMicro-HouseCall Trojan.Win32.SKEEYAH.WLDC
Rising Trojan.Generic@ML.92 (RDMK:l5bCQ7v6kB84tZAJWgGBsA)
Ikarus Trojan-Ransom.Crysis
MaxSecure Trojan.Malware.82434296.susgen
Fortinet W32/Crysis.P!tr.ransom
AVG Other:Malware-gen [Trj]

How to remove Trojan-Dropper.Win32.Dropback.cs 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-Dropper.Win32.Dropback.cs 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-Dropper.Win32.Dropback.cs 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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