Worm:Win32/Poswauto.A is kind of computer worm that spreads through infected network connections, spam emails and infected removable drives. Once installed, it can infect the whole computer system and uploads malicious java scripts on the attacked browser. These codes automatically downloads and installs potentially unwanted programs due to which the browsers are no more in the control of users. The PUPs keeps bombarding annoying and distressing advertisements all over the browser. Worm:Win32/Poswauto.A also facilitates cyber criminals to get access to the target PC and perform various scams. You must not delay to remove Worm:Win32/Poswauto.A worm virus from the PC.