The 5 best malware removal tools for Macs. We’ll take an indepth look at this topic, and answer the most pressing questions you have about how to remove malware from a Mac including: Which apps and programs will delete the malware and have you back up and running the quickest? If you have been caught by one of the many viruses, adware or ransomware that’s lurking around the internet, you’ll be wondering about Mac malware removal. The DLL component of Viking.DE virus attempts to download and execute files from Internet.There are a few main reasons that people buy from Apple: great design, an approachable user interface, and an OS that is known for being virus-resistant.Īnd yes, your Mac is definitely less likely to get a virus than a system running Windows, but that doesn’t mean that your system is immune! and terminates the following processes related to several anti-virus products: The virus also attempts to propagate via network shares by copying itself to the following shared folders:Īs a part of the payload, the virus stops the following service: Viking.DE virus avoids infecting files with the following strings in their paths or filenames: Viking.DE is able to do this with the help of a temporary batch file that it creates in the system's designated temporary folder as $$ad.bat. After that, it deletes the uninfected original file and renames the backup file with the original filename. exe.exe and then drops and executes the original file as. In order for the host file to be run correctly, Viking.DE creates a backup copy of itself in the current directory as. EXE files on all available fixed hard drives and infects them by writing its body before the original file's body. Viking.DE is a prepending virus that searches for. The virus creates the following text files where it writes some information related to its activities: Where %WinDir% represents the main Windows folder (usualy C:\Windows\).Viking.DE also adds the following registry entry as a part of its installation: The virus creates a startup value for that dropped file in Windows Registry: The virus also creates a subfolder named \UNINSTALL\ in the main Windows folder and then drops a file named RUNDL132.EXE at that location. DLL component is then injected into the EXPLORER.EXE process. The first time an infected file is run on a clean system, the virus activates and drops the following files into the main Windows directory: See the names of the dropper and downloader files in the Details section. At the same time, the worm's dropper and downloader files should be deleted from a computer to prevent re-infection. 
Please note that because of the "Worm." detection prefix F-Secure Anti-Virus will suggest to delete infected files, but DO NOT select the "Delete" option because this worm also has a viral component and you don't want to delete all infected files instead of disinfecting them.
Reconnect the disinfected computer or local network to the Internet. Enable network sharing, keep strong share passwords. Disinfect all infected computers connected on the network. If needed, repeat disinfection procedure. Scan all hard drives on disinfected computers again to make sure that no more infected files are left. DO NOT select automatic disinfection option after the scan! Scan all files on all drives on all computers and MANUALLY select the "Disinfect" action to disinfect all infected files and to rename the virus droppers. With "Disinfect Automatically" selected, F-Secure Anti-Virus will disinfect files that a virus tries to infect over a network (if sharing was not disabled). Select the "Disinfect Automatically" action for F-Secure Anti-Virus real-time scanners on all computers. Disable network sharing or set strong passwords for all shares. Disconnect a computer or local network from the Internet. Disinfection of the Viking virus-worm should be performed as follows:
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