Here is the good news. You do not need to risk prison or malware to watch Geetha Govindam. Several legal platforms offer free (ad-supported) or low-cost subscriptions.
Every download of Rangasthalam from iBomma is a theft of labor.
Most 2018 movies left the theatrical window long ago. By 2019-2020, almost every major 2018 Telugu film landed on one of the above platforms. Paying ₹100 for a month of Amazon Prime is cheaper than paying ₹10,000 to fix a computer infected by iBomma malware.
When you search for "ibomma 2018 telugu movies download free", you are not visiting a single website. You are entering a network of hundreds of mirror sites, pop-up ads, and redirects.