Trojan Dropper Win32 Virus


Trojan Dropper

Trojan Dropper is a dangerous computer threat that employs stealth to infiltrate its victims’ computers and obtain Admin privileges in them. Once the Trojan Dropper virus establishes a foothold in the attacked computer, it can initiate a variety of harmful tasks without the user’s knowledge.

Trojan Droppers threats are mainly used in the initial stage of attacks with other forms of malware (most notably Ransomware and Remote Access Trojans – RATs for short). A Trojan Dropper is, therefore, designed to be stealthy and misleading. Often, the users themselves are the ones that download such a virus without being aware of its true nature.

What is a Trojan Dropper?

A Trojan Dropper is a type of Trojan Horse virus designed to infiltrate the computer and deploy a malicious payload in it. Trojan Dropper viruses allow threats such as Ransomware, RATs, Banking Trojans, and others to secretly infect their victims’ computers without getting noticed.

A common way Trojan Droppers are distributed is by being disguised as seemingly harmless and even useful pieces of software. It is, therefore, very important that you are very selective regarding the sources that you use when downloading new software. Never use sites that distribute pirated and/or low-quality content, as those are often the platforms that hackers use in order to spread their malware creations.

If you think your system has already been infected by a Trojan Dropper virus, it’s imperative that you take immediate actions towards the virus’ removal. If you are in luck, the threat wouldn’t have allowed more malware to enter your computer, and deleting the Trojan Dropper would be enough to make your system secure once again. Still, during the removal process, be vigilant and on the lookout for other questionable and potentially malicious software that may need to be removed from the system.

Trojan Dropper win32

Trojan Dropper win32 is a common type of Trojan Horse infection that allows other malware programs to attack users without getting detected. The Trojan Dropper win32 virus payload can contain all kinds of malware, including Ransomware cryptoviruses, Spyware, and other Trojans.

Note that the guide we’ve prepared for you below should work in most cases, allowing you to clean your computer. However, if the Trojan Dropper has succeeded in releasing more malware inside the system, manually deleting everything may not always be feasible. For this reason, we’ve also provided a professional malware-deletion tool that is included in the guide and that we recommend using in case the manual steps are insufficient to secure your computer and clean it from all malware.

Trojan Dropper Virus

The Trojan Dropper virus is a type of malware that facilitates the computer’s attack by another piece of malware. The Trojan Dropper is designed to look harmless so that users would download it willingly, thus allowing it to deploy its malicious payload without getting detected.

We already mentioned what the main goal of the Trojan Dropper is – to initiate the attack with other threats, including Ransomware, RATs (Remote Access Trojans), Banking Trojans, Spyware, and more. It is, therefore, difficult to say what type of damage you could expect if a Trojan Dropper has infected you. In any case, the longer the system has this malware in it, the higher the chances of encountering serious problems related to your virtual security and privacy. For this reason, securing your computer should be your top priority, and you shouldn’t procrastinate the deletion of any malware that may currently be present in it.

SUMMARY:

NameTrojan Dropper Win32
TypeTrojan
Detection Tool

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Trojan Dropper Removal

The Trojan Dropper removal process involves the deletion of the initial source of the infection and the methodical cleanup of the system’s data and settings:

  1. You must first check in the Uninstall a Program section for any program that may have caused the infection and delete that program.
  2. Next, you must check for Trojan Dropper processes in the Task Manager and quit what you find.
  3. Use the Disk Cleanup utility to delete temporary data that may hold records of the malware.
  4. To complete the Trojan Dropper removal, you need to revoke any modifications made by the virus in the Registry, the Hosts file, the Startup items list, and the Task Scheduler.

It’s best to familiarize yourself with the specific of those steps by reading the detailed descriptions shown below before you engage in the removal of the Trojan Dropper virus.

Detailed Trojan Dropper removal instructions

Step 1

Access the Uninstall a Program list by typing appwiz.cpl in the Start Menu and opening the item that appears in the search results. Search in the list that opens for a recently installed program that you think may have triggered the infection. If, for instance, you’ve recently downloaded some piece of software from a questionable and potentially unreliable online location and that’s when the problems with the malware infection began, then find that program in the Uninstall a Program list, select its entry, and click Uninstall from the top. Next, follow whatever steps may appear on your screen, making sure to use the uninstallation settings that would delete everything related to that program from the system.

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If you are unable to complete the uninstallation right now or if you notice that the questionable program returns to your computer after you uninstall it, then move to the next steps, and after you complete the entire guide, try to perform the uninstallation once again.

Step 2

WARNING! READ CAREFULLY BEFORE PROCEEDING!

Open the Task Manager app – you can do this either by searching for it in the Start Menu search or by pressing at the same time the Ctrl, Shift, and Esc keys.

In the Task Manager, sort the items that are listed in the Processes tab by order of Memory or CPU usage. See which processes are consuming the most resources and if you see ones with questionable names among them, look them up on Google and see if you can find any relevant information that links those processes to any type of malware. Also, right-click on the processes you suspect, open the File Location Folder, and scan whatever files are listed in that folder, using the free scanner you’ll find below:

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    If your scanner finds malware code in any of the files you tested, that would indicate that the process those files are related to is also rogue/malicious and must be stopped.

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    In order to stop a rogue process, simply click on it, and select the button in the bottom-right corner of the Task Manager labelled End Process. After you quit a rogue process, remember to also delete its File Location folder.

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    *Oftentimes, Trojan Horse viruses tend to disguise the names of their processes as regular processes that the user would expect to see in the Task Manager. Therefore, if you notice that there are two processes in the Task Manager that have very similar but not perfectly identical names, this is a potential red flag that one of those processes may actually be a disguised Trojan process. For instance, if there is a process named Firefox and another one named Mozilla Firefox, then one of them may not be what it seems. Be especially careful with such processes and take your time to investigate them using the above-mentioned techniques to figure out if one of them is malicious so that you’d know to eliminate it.

    Step 3

    To prevent the Trojan from launching more harmful processes in your system, you must now restart the computer in Safe Mode – this will aid you with the following steps by not allowing the Trojan Dropper to hinder your removal attempts.

    Step 4

    Click the Start Menu button, type cleanmgr, and press Enter. Then, in the window that shows up, select your C drive and click OK. The Disk Cleanup utility will need some time to calculate what data can be safely deleted – wait for the calculation to complete. When it is ready, you will see a list of items where you must check the Temp and Thumbnails entries and then click OK to delete this data. Doing so will hopefully get rid of any Trojan Dropper files that may be left in the computer.

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    Step 5

    In this step, you must check several types of system settings and see if changes have been made to them without your authorization. To do this, use the Start Menu to find each of the items that we’ve listed below, open those items, and complete the respective instructions that have been provided for them.

    Msconfig – Opening this item will get the System Configuration settings on your screen – in this window, you must select Startup and carefully examine the list of startup items (Windows 10 users must first select the Open Task Manager button to get to the Startup items list). If there are items in that list that you are not familiar with, that look suspicious, and/or that you think may be related to the Trojan Horse virus, then disable them by removing the checkmarks from their respective boxes and then select OK.

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    Task Scheduler – In the Task Scheduler window, you must first select the Task Scheduler Library folder that you will see in the top-left and then see what tasks are shown in the central panel. If any of the tasks seem potentially dangerous, delete them by right-clicking them and selecting the Delete option.

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    Ncpa.cpl – When the Network Connection folder/window opens, right-click on the network you use on a regular basis, open Properties, and double click Internet Protocol Version 4 to open the settings for that item. Now check the following options in the next window:

    • Obtain an IP address automatically
    • Obtain DNS address automatically

    After that, click Advanced, select the tab labelled DNS in the next window, and if there are any IPs listed under DNS server addresses, delete them and click OK.

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    notepad %windir%/system32/Drivers/etc/hosts – If the Hosts file that opens has been hijacked by the virus, there would be IP addresses listed towards the end of the text, right below the two lines ending in “Localhost”. If you notice IPs there, post them down in the comments – once we determine if they are indeed rogue and must be deleted from the file, we will let you know in a reply to your comment.

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    Regedit – The last type of system settings you must clean is the Registry. Be very careful while deleting items from it because if you delete something that’s not from the virus but from your system, you may cause serious issues in your system. Once you open the regedit.exe, you will first be asked for Admin permission, so click on Yes when that happens to continue.

    Once in the Registry Editor, press Ctrl + F at the same time, then type in the search bar the name of the process (or processes) that you quit earlier in the Task Manager and click Find Next. If an item related to the malware is found, delete it and search for more such items. 

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    Upon removing all malware items from the Registry, visit these next locations in the left panel of the Editor:

    • HKEY_CURRENT_USER/Software
    • HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run
    • HKEY_CURRENT_USER/Software/Microsoft/Internet Explorer/Main

    In each of them, look for subfolders (Registry keys) with long names that appear to have been randomly generated – something like “9023ur908ut29083u8902r90r2ur30” for instance. Tell us about any such sub-folders/keys that you may find by writing us a comment down below, and we will reply to it, informing you whether you must delete the questionable items.

    Alternative Removal Method

    As we mentioned in the article above, in some cases, manually removing the Trojan Dropper and any other threats that it may have introduced to your computer may not be a viable option. In such cases, you may need to use a specialized removal program capable of finding and disposing of all malicious software, data, and settings that are on your computer. If you think that your PC is still infected even after performing all of the steps we’ve included here, our recommendation is to do try the advanced malware-removal tool that you will find in the guide. It is capable of finding every last bit of malware present on the computer and eliminating it without leaving any traces of the malicious data

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    About the author

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    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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