According to security analysis from Colins Security Blog, the malware sets up scheduled tasks (often named "ChromeLoader" or "CS_Installer") to ensure it remains on your system even after a reboot.
While a legitimate DLC adds maps or weapons, this specific file typically "features" intrusive system modifications:
It often installs malicious browser extensions (Chrome or Safari) that redirect your search queries and inject unwanted ads into your browsing experience. MW2_DLC.rar
Manually inspect your browser extensions for anything you didn't install yourself and remove them immediately. Have you already opened it? Are you seeing weird pop-ups or browser redirects?
The filename is frequently associated with malware and phishing attempts rather than legitimate game content. Security researchers have identified it as a common carrier for the ChromeLoader (or Choziosi Loader) malware, which often targets players looking for free downloadable content or "cracked" versions of games like Call of Duty: Modern Warfare 2 . Malicious "Features" of MW2_DLC.rar: According to security analysis from Colins Security Blog,
If it is a .rar file, do not extract its contents.
Use an updated antivirus like Windows Defender , Malwarebytes , or other reputable security software to remove any remnants. Have you already opened it
Beyond ads, these types of loaders can be used to harvest sensitive data from your browser, such as saved credentials or cookies.