Scammers provide a license.avastlic file and a “patch” that modifies Avast’s local files. The instruction says: “Disable your antivirus (ironically), copy this file, and run the patch.” This disables Avast’s self-defense module, allowing malware to take over your PC.
That said, here’s an interesting review of what such an offer typically promises vs. the reality, written in a skeptical, investigative style. Scammers provide a license
Avast typically sells subscriptions for 1-3 years. Any "2050" key is often a modified license file or a leaked corporate key that Avast's servers frequently detect and blacklist, causing the software to deactivate. Malware Risks: copy this file