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ciscothreatsCiscoCISCO-THREAT-43910
HistoryMar 08, 2016 - 2:53 p.m.

Threat Outbreak Alert RuleID21454: Email Messages Distributing Malicious Software on March 8, 2016

2016-03-0814:53:40
Cisco
tools.cisco.com
4

Medium

Alert ID:

43910

First Published:

2016 March 8 14:53 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 (RuleID21454) may contain the following files:

Name Size in Bytes MD5 Checksum
NF_937489578237.zip / NF_937489578237.jar
10,303
0x91C0BB6F16CB71D7A9460BFAF36EB20B

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

> Subject: Nota Fiscal Eletrônica Nf-E n°.007.871

Message Body:

Prezado Sr.(a) Cliente [email protected] Conforme solicitado segue o anexo da: Nota Fiscal Eletrônica Nf-E n°.007.871 Grupo Factor Cobraças . agradece! Nota Fiscal N°007.871

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-March-08 14:53 GMT
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A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products