Trend Micro Facebook TrendLabs Twitter Malware Blog RSS Feed You Tube - Trend Micro
Search our blog:

  • Recent Posts

  • Calendar

    January 2015
    S M T W T F S
    « Dec    
     123
    45678910
    11121314151617
    18192021222324
    25262728293031
  • Email Subscription

  • About Us
    TrendLabs Security Intelligence Blog(breadcrumbs are unavailable)

    Archive for the ‘Spam’ Category




    2015 has just begun, but we're already seeing old problems crop up again - particularly the abuse of a lot of legitimate web sites. Since the start of the year, we've been seeing a significant increase in the number of spammed messages with links that lead to various Russian dating sites. Figure 1. Sample of dating site spam While messages of these types are fairly common, this recent wave is unusual in several ways. First, the level of dating site spam is higher than ...

    Posted in Spam | 1 TrackBack »



    Email authentication and validation is one method that is used to help bring down the levels of spam and phishing by identifying senders so that malicious emails can be identified and discarded. Two frameworks are in common usage today; these are SPF and DKIM. SPF (Sender Policy Framework): Defined in RFC 7208, SPF provides a mechanism to allow receivers to check that incoming mail from a domain is being sent from a host authorized by that domain's owner. The list of ...

    Posted in Spam |



    Earlier this week, we noticed that there was a spike in the volume of spammed messages that pretend to come from the messaging service Viber.  This app, which also has  a desktop version, allows users for free calls and messages. The email informs the recipient that they have one voice message for their account. Figure 1. Sample spammed message Different Routines for PC and Mobile The infection routine is pretty straightforward for computers: clicking the embedded link leads to the download of backdoor malware, detected ...




    We recently observed a new ransomware variant, TorrentLocker, that was targeted at nearly 4,000 organizations and enterprises, many of which are located in Italy. TorrentLocker is similar to an earlier ransomware family (CryptoLocker), and also encrypts various files and forces users to pay a sum of money. TorrentLocker uses the TOR anonymity network to hide its network traffic, which may have been the origin of its name. The said threat used spam email written in Italian with several templates as part of ...

    Posted in Malware, Spam | Comments Off



    A new spam attack disguised as invoice message notifications was recently seen spreading the UPATRE malware, that ultimately downloads its final  payload- a BANKER malware related to the DYREZA/DYRE banking malware. Background In early October we observed a surge of spammed messages sent by the botnet CUTWAIL/PUSHDO, totaling to more than 18,000 messages seen in a single day. CUTWAIL/PUSHDO has been in the wild since as early as 2007 and was considered one of the biggest spam botnets in 2009. We spotted some spammed emails that disguise itself as invoice message ...

    Posted in Malware, Spam | Comments Off


     

    © Copyright 2013 Trend Micro Inc. All rights reserved. Legal Notice