Threat Outbreak Alert RuleID22792: Email Messages Distributing Malicious Software on May 10, 2016

Medium

Alert ID:

46109

First Published:

2016 May 10 19:02 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 (RuleID22792) may contain the following files:

Name	Size in Bytes	MD5 Checksum
Nf-e_1526584845.zip / Nf-e 1526584845.vbs
4,771
0xEC30B33CE4FB6A8535D3DF050ABBF0E8

The following text is a sample of the email message that is associated with this threat outbreak:

> Subject: NF-Eletrônicas emitidas e recebidas

Message Body:

Segue Anexo a Nota Fiscal Eletrônica de Serviços nº.7104074367 , emitida em 09/05/2016

Cisco security appliances can help protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Cisco Web Security Appliances help secure and control web and email traffic by offering layers of malware protection. Cisco security appliances are automatically updated to help prevent both spam email and hostile web URLs from being passed to the end user.

Related Links
Cisco Security
Cisco SenderBase Security Network

Revision History

* Version	Description	Section	Date
1	Initial Release		2016-May-10 19:02 GMT
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