Wells Fargo FW Important docs is an email pretending to come from Wells Fargo with subject FW: Important docs and content We have received this documents from your bank, please review attached documents. Needless to say, it is a spoof & not from Wells Fargo and nothing at all to do with anything vaguely bank related.
Update 18 March 2014: After a long break this one has resurfaced with exactly the same email and the subject saying FW: Activity Docs instead of FW: Important docs and a change to the attachment naming convention
Update 17 June 2014; A new spam run with a malformed PDF attachment that contains a script virus
Wells Fargo FW Important docs is another one from the current zbot runs which try to drop cryptolocker, ransomware and loads of other malware on your computer. Most of these are using email addresses and subjects that are appropriate for the time of year.
Almost all of these have a password stealing component, with the aim of stealing your email or FTP ( web space) log in credentials. Many of them are also designed to specifically steal your facebook and other social network log in details.
Please read our How to protect yourselves page for simple, sensible advice on how to avoid being infected by this sort of socially engineered malware.
The zip file is always the same name as the recipients name. I have seen them as derek, keith, sandra, submit, help, info, etc. etc wheras the extracted file is WF_docs_<todays date>.exe
A different email with the same malware is https://myonlinesecurity.co.uk/spoofed-scanned-image-from-a-xerox-workcentre-fake-pdf-malware/
17 June 2014: document~3475546564.pdf Virus Total: 8/53
2nd version 17 June 2014: account_doc~9345845757.pdf Virus Total: 7/52
This Wells Fargo FW Important docs is another one of the spoofed icon files that unless you have “show known file extensions enabled“, will look like a proper PDF file instead of the .exe file it really is, so making it much more likely for you to accidentally open it and be infected.
All of these emails use Social engineering tricks to persuade you to open the attachments that come with the email. Whether it is a message saying “look at this picture of me I took last night” and it appears to come from a friend or is more targeted at somebody who regularly is likely to receive PDF attachments or Word .doc attachments or any other common file that you use every day. Be very careful when unzipping them and make sure you have “show known file extensions enabled“, And then look carefully at the unzipped file. If it says .EXE then it is a problem and should not be run or opened.