Daprosy worm was a malicious computer program that spreads via local area network (LAN) connections, spammed e-mails and USB mass storage devices.
[4][5] The worm belongs to the “slow” mass mailer category where copies of which are attached and sent to addresses intercepted from the keyboard.
The e-mail consists of a promotion of and installation instruction for an imaginary antivirus product purported to remove unknown infections from the computer.
While infection cannot occur until the attached worm is renamed and opened, it could spread to system folders in a matter of seconds.
Said strains appear to be incomplete and were probably created by students or amateur Visual Basic programmers as evidenced by using VB decompilers.
Daprosy worm is rampant in public Internet cafés with LAN connections and exposed USB mass storage drives.