Unexplained charges on your financial accounts: This is perhaps the scariest one on this list, because it means somebody can literally drain your bank account from under your nose.īattery seems to drain too quickly: Any type of virus needs a lot of processing power. Safari is suffering from pop-ups: Safari should never have problems with pop-ups unless a sketchy site manages to sneak a virus into your device. Unfamiliar apps: look at your apps and try to see if you actually remember downloading or installing them. Here are a few common signs you must be wary of:Īpps crashing out of the blue: even simple operations such as launching an app or freezing could be good indicators of a malware. According to Avast, multiple signs could point to the presence of malware, so it's not one-size-fits-all. But first off, you have to know to tell or check if the device actually has a virus.