Malware reports

Malware Miscellany, October 2008

  1. Greediest Trojan targeting banks
    Now that autumn is into its stride, there’s been a change in this category; October’s winner is Trojan-Spy.Win32.Bzub.cqz, rather than a member of the Banker family. Bzub.cqz targets clients of 34 different banks.

  2. Greediest Trojan targeting payment systems
    Trojan.Win32.Agent.afhy comes out top, attacking 4 different epayment systems at once.

  3. Greediest Trojan targeting payment cards
    The Agent family wins again in this category, with Trojan.Win32.Agent.agyz searching out users of 5 card systems.

  4. Stealthiest malicious program
    The Hupigon family, which makes frequent appearances in this category, takes the lead in October; one modification of Backdoor.Win32.Hupigon.btlis packed with 8 different packers.

  5. Smallest malicious program
    In spite of being a mere 20 bytes in size, Trojan.BAT.KillAll.an is able to delete all files from disk.

  6. Largest malicious program
    Trojan.Win32.Haradong makes a return this month – modification .ga weighs in at more than 200MB.

  7. Most common vulnerability on the Internet
    In October, Exploit.SWF.Downloader.hn accounted for 2.3% of all malicious content detected on the Internet.

  8. Most common malicious program on the Internet
    Trojan-Downloader.Win32.IstBar.cx was the most common malicious program on the Internet in October, accounting for a “modest” 2.1% of all malicious content detected.

  9. Most common Trojan family
    Backdoor.Win32.Hupigon puts in yet another appearance in this category, this time with 3891new modifications.

  10. Most common virus/ worm family
    There are no changes in this category either this month, with Worm.Win32.AutoRun taking the crown again. And its numbers are similar to those of last month – 651 new modifications in October as against September’s 655.

Malware Miscellany, October 2008

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Reports

Andariel deploys DTrack and Maui ransomware

Earlier, the CISA published an alert related to a Stairwell report, “Maui Ransomware.” Our data should openly help solidify the attribution of the Maui ransomware incident to the Korean-speaking APT Andariel, also known as Silent Chollima and Stonefly.

APT trends report Q2 2022

This is our latest summary of advanced persistent threat (APT) activity, focusing on events that we observed during Q2 2022.

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