TrojanDropper:Win32/Addrop!MSR is a detection from Microsoft Defender, that corresponds to a dropper trojan active in your system. Droppers act as carriers for other malware by making your system vulnerable and downloading the payload from the command server.
Typical Win32/Addrop!MSR behavior:
Being a generic detection of a dropper, Addrop may exhibit any of common dropper behaviors. Among such are the following:
- Collecting basic system information, such as computer name, username, OS version and build, screen size, hardware information etc.;
- Changing network configurations;
- Altering firewall settings, that may block malware connection to the C2;
- Modifying registry in order to log activity or collected information;
- Connecting to the command server in order to notify it about the new infected system or retrieve the payload;
- Manipulating dynamic-link libraries and system files in order to launch the payload without triggering UAC or security tools.
Threat Summary:
| Name | Addrop Trojan Dropper |
| Detection | TrojanDropper:Win32/Addrop!MSR |
| Details | Addrop tool that looks legitimate but can take control of your computer. |
How to remove the TrojanDropper:Win32/Addrop!MSR?
Although removing malware manually is possible, I don’t recommend it. Malware often creates multiple instances of itself to gain persistence, which makes it challenging to trace all the parts and remove them altogether. Manual removals can be time-consuming and ineffective if you need to remove Win32/Addrop!MSR, I’ve compiled a guide that includes the best removal practices to help you do so effectively.
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