Spam and Phishing

Lately we have been noticing an opposite tendency occurring quite often, wherein fraud becomes personalized and spammers invent new methods to persuade the recipient that the message is addressed personally to him. Thus, in the malicious mailing that we discovered last month, spammers used the actual postal addresses of the recipients in messages to make them seem as credible as possible.

In 2016 we continued our in-depth research into the financial cyberthreat landscape. We’ve noticed over the last few years that large financial cybercriminal groups have started to concentrate their efforts on targeting large organizations – such as banks, payment processing systems, retailers, hotels and other businesses where POS terminals are widely used.

2016 saw a variety of changes in spam flows, with the increase in the number of malicious mass mailings containing ransomware being the most significant. These programs are readily available on the black market, and in 2017 the volume of malicious spam is unlikely to fall.

At Kaspersky Lab, machine learning can be found in a number of different areas, especially when dealing with the interesting task of spam detection. This particular task is in fact much more challenging than it appears to be at first glance.

Last November we conducted a brief analysis of the threat landscape over the holiday period – from October to December in 2014 and 2015. And we made the following prognosis: the same holiday period in 2016 will see a spike in cyberattacks. Now that the holidays are over, it is time to find out how accurate that prediction was.

Our research shows that, over the last few years, the holiday period which starts on so-called Black Friday was marked by an increase in phishing and other types of attacks, which suggests that the pattern will be repeated this year.

In the third quarter of 2016, the proportion of spam in email traffic increased by 2 p.p. compared to the previous quarter and accounted for 59.19%. The largest percentage of spam – 61.25% – was registered in September.

Trojan-Ransom.AndroidOS.Fusob.h remained the most popular mobile Trojan-Ransomware in the third quarter, accounting for nearly 53% of users attacked by mobile ransomware.

In April of this year, we registered some mass attacks on Facebook users in Russia. As a result, many Russian-speaking users of the social network fell victim to fraudsters. Half a year later the fraudsters have used the same tactics to attack Facebook users in Europe.

The telecoms sector is under fire on all sides – hit by direct attacks on organizations and networks, indirect attacks in search of subscribers, and collateral damage from unrelated, targeted campaigns. This report reveals the many layers of vulnerability.

In the second quarter of 2016, the proportion of spam in email traffic increased insignificantly – by 0.33 p.p. – compared to the previous quarter and accounted for 57.25%. The US remained the biggest source of spam. As in the previous quarter, the top three sources also included Vietnam and India.

In the second quarter of 2016, Kaspersky Lab’s web antivirus detected 16,119,489 unique malicious objects: scripts, exploits, executable files, etc. 54,539,948 unique URLs were recognized as malicious by web antivirus components.

Bankers and encryptors, ransomware and spyware, old and new exploits; APT attacks, ATM infection, spear phishing and fraud targeting large numbers of users – cybercriminals continue their hunt for money and information

Brazilian cybercriminals are clearly setting their sights on users of mobile banking. They are using SMiShing (phishing via SMS) and registering new mobile phish domains created especially for this purpose.

Recently we revealed that a threat actors exploited social networks to spread a Trojan that captures a victim’s entire browser traffic. Approximately 10,000 Facebook users with Windows PCs were hit by malicious friend notifications. In this article we will explain the security issue and attack.