Malware reports

Malware Miscellany, June 2008

  1. Greediest Trojan targeting banks
    As we move into summer, Trojan-Banker.Win32.Banker.ohq takes the crown in this category, by targeting customers of 56 banks.

  2. Greediest Trojan targeting e-payment systems
    Trojan-Banker.Win32.Banker.olr wins this category in June, targeting three payment systems.

  3. Greediest malicious program targeting payment cards
    Here, naturally enough, there’s another password stealing Trojan: Trojan PSW.Win32.Agent.apl has its sights sent on four payment card systems

  4. Stealthiest malicious program
    Trojan-PSW.Win32.Delf.jj wins this month, as it’s packed with eight different packers.

  5. Smallest malicious program
    Trojan.BAT.KillFiles.hx is rather larger than last month’s winner in this category but is still only 26 bytes in size. It’s capable of wiping the contents of C:.

  6. Largest malicious program
    June’s winner, Trojan Banker.Win32.Bancos.mk, at 31MB in size, is by no means the largest program we’ve seen in this category.

  7. Most malicious program
    Once again Agobot makes an appearance, with a modification of Backdoor.Win32.Agobot.gen victorious this month. Its payload holds no surprises: it deletes a wide range of security products both from memory and from disk.

  8. Most common malicious program in email traffic
    This category doesn’t seem to change much from month to month: our old friend, Email-Worm.Win32.Netsky.q again takes the prize, having made up 34.15% of infected mail traffic in June.

  9. Most common Trojan family
    3295 different modifications of Trojan-GameThief.Win32.OnlineGames were detected this month.

  10. Most common virus/ worm family
    Worm.Win32.Autorun is back after an absence last month, with 152 new modifications: not a huge number for this category.

Malware Miscellany, June 2008

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Reports

The SessionManager IIS backdoor

In early 2022, we investigated an IIS backdoor called SessionManager. It has been used against NGOs, government, military and industrial organizations in Africa, South America, Asia, Europe, Russia and the Middle East.

APT ToddyCat

ToddyCat is a relatively new APT actor responsible for multiple sets of attacks against high-profile entities in Europe and Asia. Its main distinctive signs are two formerly unknown tools that we call ‘Samurai backdoor’ and ‘Ninja Trojan’.

WinDealer dealing on the side

We have discovered that malware dubbed WinDealer, spread by Chinese-speaking APT actor LuoYu, has an ability to perform intrusions through a man-on-the-side attack.

APT trends report Q1 2022

This is our latest summary of advanced persistent threat (APT) activity, focusing on events that we observed during Q1 2022.

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