Symantec has seized part of the 1.9 million-computer strong ZeroAccess, one of the largest botnets in existence.
In a blog post Monday, the security firm said the ZeroAccess botnet is primarily used to deliver payloads to infected computers, which is aimed at two illegal, revenue-generating activities: click fraud and bitcoin mining.
One type of payload often associated with ZeroAccess is a click fraud Trojan. Once installed on a compromised computer, the Trojan downloads online advertisements and then generates artificial clicks, which can pay out dividends through pay-per-click (PPC) affiliate schemes. The bots running fraud operations generated around 42 false … Read more