Dridex and Locky Return Via PDF Attachments in Latest Campaigns

Dridex and Locky, two prolific malware families that made waves in 2016 after being distributed in several high-volume spam campaigns, have returned after a brief hiatus. FireEye observed a decline in the volume of Dridex and Locky in the latter half of 2016, but we recently observed two new larg...

Threat Outbreak Alert RuleID21136: Email Messages Distributing Malicious Software on February 18, 2016

Medium Alert ID: 43610 First Published: 2016 February 18 16:49 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID21136 may contain the following files: Name |...

Threat Outbreak Alert RuleID20047: Email Messages Distributing Malicious Software on December 11, 2015

Medium Alert ID: 42638 First Published: 2015 December 11 14:44 GMT Last Updated: 2015 December 14 13:35 GMT Version: 2 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID2004...

Threat Outbreak Alert RuleID18585: Email Messages Distributing Malicious Software on October 9, 2015

Medium Alert ID: 41458 First Published: 2015 October 9 13:55 GMT Last Updated: 2015 October 12 11:39 GMT Version: 3 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID18585 a...

Threat Outbreak Alert: Fake Scanned Document Delivery Email Messages on May 20, 2014

Medium Alert ID: 34304 First Published: 2014 May 20 16:05 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message attempts to convince the recipient to open the...

Threat Outbreak Alert: Fake Scanned Document Email Messages on April 8, 2014

Medium Alert ID: 33709 First Published: 2014 April 9 15:02 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message instructs the recipient to open a .zip...

Threat Outbreak Alert: Fake Scanned Document Notification Email Messages on April 2, 2014

Medium Alert ID: 33620 First Published: 2014 April 2 15:30 GMT Last Updated: 2014 April 4 14:02 GMT Version: 2 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message attempts...

Threat Outbreak Alert: Fake Scanned Document Email Messages on January 2, 2014

Medium Alert ID: 31959 First Published: 2013 December 3 00:34 GMT Last Updated: 2014 January 7 15:15 GMT Version: 3 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message...

Threat Outbreak Alert: Fake Xerox Scanned Attachment Email Messages on September 4, 2013

Medium Alert ID: 30653 First Published: 2013 September 4 19:23 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document from a Xerox WorkCentre device. The text in the email message attempts to convince the...

Threat Outbreak Alert: Fake Scanned Document Email Messages on July 17, 2013

Medium Alert ID: 30117 First Published: 2013 July 17 14:23 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message attempts to convince the recipient to open th...

Threat Outbreak Alert: Fake Scanned Document Delivery Email Messages on June 27, 2013

Low Alert ID: 29812 First Published: 2013 June 27 13:56 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document attachment for the recipient. The text in the email message attempts to convince the recipient to...

Threat Outbreak Alert: Fake Scanned Document Delivery Email Messages on June 14, 2013

Low Alert ID: 29673 First Published: 2013 June 17 11:39 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document attachment for the recipient. The text in the email message attempts to convince the recipient to...

Threat Outbreak Alert: Fake Scanned Document Delivery Email Messages on June 14, 2013

Low Alert ID: 29670 First Published: 2013 June 14 12:54 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document for the recipient. The text in the email message attempts to convince the recipient to open the...

Threat Outbreak Alert: Fake Xerox Scanned Document Attachment Email Messages on June 12, 2013

Medium Alert ID: 29655 First Published: 2013 June 12 19:26 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document from a Xerox WorkCentre device. The text in the e-mail message attempts to convince the...

Threat Outbreak Alert: Fake Scanned Document Attachment Email Messages on November 26, 2013

Medium Alert ID: 28724 First Published: 2013 March 26 13:15 GMT Last Updated: 2013 November 27 15:41 GMT Version: 38 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a scanned document sent from a Xerox WorkCentre Pro device for the...