BadTrans.B is modified variant of original BadTrans worm. This encrypted worm uses Windows address book to collect email address. It also drops Trojan.PSW.Hooker.b in the victims computer. The virus author will be able steal username and password details using this password stealer.

I-worm/BadTrans.B arrives as an e-mail attachment. The attachments are embedded within the e-mail and it won't visible to the user. When the user views the attachment the embedded code is executed automatically and it drops the virus.