If you have downloaded one of the most popular software City Skylines 2 mods, which adds new traffic management tools, Paradox warns that the mod may contain a file considered malicious. In an official press release, the publisher of Crusader Kings, Stellaris and CS2 explains that an “external actor” updated the mod, simply named “Traffic”, and that the update apparently contained a file likely to compromise the security of players’ PCs. Paradox says that they have already deleted the file in question, but if Cities Skylines 2 had their mods set to “synced” and therefore automatically received the potentially malicious file, it is possible that it would be present on their systems.

Cities Skylines 2 mod transformed the city ​​building gameimplementing vital changes in simulation, economics and road construction. Traffic is one of the City Skylines 2The most comprehensive mods from and introduces a lane connector and priority tools so players can more efficiently manage the flow of vehicles through their cities. However, Paradox is now warning that if players have used this mod in recent days and automatically received the updated version, a malicious file may have been installed on their PC.

“There is a potential security issue that has affected the Traffic mod for Cities Skylines 2,” Paradox explains. “Late Monday evening, an outside actor pushed an update to the mod, which includes a .dll file that we believe to be malicious. We’ve already removed it and the current build as of Thursday, October 31 at 3:35 p.m. CET is safe to download and use, but if your mod synced and you played the game using the mod between Monday and afterwards, it is possible that you may have the malicious file. We are working to determine the nature of this .dll and will update you as soon as possible.

Paradox says that if you haven’t played CS2 using the Traffic mod and haven’t subscribed or downloaded it, there should be no risk to your PC. The publisher also says that if you own the Traffic mod, but haven’t played Cities Skylines 2 since Monday, October 28, or didn’t automatically update the mod between then and now Today, if you allow the mod to update now, it should download the mod. secure version, with the potentially malicious file removed. Regardless, Paradox encourages all gamers to scan their PC using anti-malware programs.

“If you have played with the affected version, please check your local files,” says Paradox. “If malicious files are installed, you will find them here: %localappdata%low\Colossal Order\Cities Skylines II\.cache\Mods\mods_subscribe\ in folder 80095_13

“Note that it is only specifically the 80095_13 folder that will contain the malicious files. If you don’t see this folder, you don’t have the compromised version of the mod. If you locate this folder, use an antivirus or antimalware program to quarantine and/or remove it from your system, then run a deep scan of your drives. As a precaution, we recommend that you change your passwords.

Paradox said that it scans all files uploaded to Paradox Mods to check if others have received unexpected updates. The publisher also contacted the creator of the Traffic mod, who updated it to the safe version. As an added precaution, Paradox Mods will now send updates to modders whenever one of their mods is updated, so they are immediately notified of any unexpected updates.

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