F-secure antivirus removal tool




















A collection of support tools useful for specific product issues. Readme file. Online Scanner Scan and clean your PC for free. Go to. More information. Know the Threat. Talking Tom Cat. Clash of Clans. Subway Surfers. TubeMate 3. Google Play. Biden to send military medical teams to help hospitals. N95, KN95, KF94 masks. GameStop PS5 in-store restock. Baby Shark reaches 10 billion YouTube views. Microsoft is done with Xbox One. If you suspect your computer or device is infected, or has a suspicious program or file on it, you can follow these general guide to removing an infection or file.

For more specific removal instructions, refer to the individual Threat Description for a specific threat. If you have an F-Secure product installed, perform a complete scan and removal by following these steps:. Disabling System Restore before removal is recommended to prevent possible re-infection, as it may unintentionally save a backup copy of the suspect file, which will remain even after removal is completed. Once removal is complete, turning System Restore on again is recommended, so that you can restore the system to a stable and clean state if a crash or incompatibility issue occurs in the future.

It is important to keep the program updated with the latest definition databases so that it can detect the latest threats. Check Instructions for Updating Definition Databases for steps on updating specific products.

It disables the following Windows services:. The worm also hooks the following API's in order to block access when the user attempts to access a long list of domains:.

If the user attempts to access the following, primarily security-related domains, their access is blocked:. To propagate itself, the worm first modifies the following registry entry so that it can spread more rapidly across a network:.

It checks for a suitable computer around the network using NetServerEnum, then attempts to log on to any found computer with one of the following login credentials:. It then creates a scheduled daily job on the remote server, in order to execute the following command:. A for additional details. The worm is also able to propagate by downloading a copy of itself onto other machines vulnerable to an exploit of the critical MS vulnerability. Creating the HTTP server allows the malware to send out specially crafted packets exploit code from the infected machine to other machines.

If the exploit is successful, the targeted machine is forced to download a copy of the malware from the first infected machine. Downadup is capable of downloading files onto the infected system. First, the worm connects to one of the following domains to obtain the current system date:. The obtained system date is used to generate a list of domains where the malware can download additional files. It then verifies whether the current date is at least 1 January If so, it downloads and execute files from:.

The worm deletes a number of keys from the registry, in order to deactivate the Security Center Notifications and prevent Windows Defender from starting. It also bypasses the Windows Firewall by creating the following registry entry, so that the system can download a copy of the worm:.

To hide its presence in the system, the worm deletes any System Restore points created by the user, then modifies the following registry keys:.



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