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Home   »   zeroaccess

ZeroAccess Takedown and the TDSS Aftermath

  • Posted on:January 8, 2014 at 1:35 pm
  • Posted in:Malware
  • Author:
    Yuki Hsu (Senior Engineer)
0

Early December last year, Microsoft –  in cooperation with certain law enforcement agencies –  announced their takedown of the ZeroAccess operations. However, this also unexpectedly affected another well-known botnet, TDSS. TDSS and ZeroAccess ZeroAccess is one of the most notable botnets in the world, with its malware known for rootkit capability. This malware is typically downloaded…

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Tags: botnetclick fraudtakedownTDSSzaccesszeroaccess

TDSS And ZeroAccess: Friends or Enemies?

  • Posted on:September 18, 2013 at 2:54 pm
  • Posted in:Malware
  • Author:
    Yuki Hsu (Senior Engineer)
1

TDSS and ZeroAcess are both well-known threats that have many common characteristics. Both are difficult to remove rookits, both engage in click fraud and use peer-to-peer communication techniques. Some may even wonder if these similar threats come from the same group of cybercriminals. In September 2012, researchers found several TDSS variants which were called “DGAv14”….

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Tags: BotnetsMalwareTDL4TDSSzeroaccess

ZACCESS/SIREFEF Arrives with New Infection Technique

  • Posted on:August 14, 2012 at 2:41 pm
  • Posted in:Malware
  • Author:
    Manuel Gatbunton (Threat Response Engineer)
2

During the last weeks of July, we received reports from customers that their services.exe files were being patched by an unknown malware. The patched services.exe, detected by Trend Micro as PTCH_ZACCESS (for 32-bit version) and PTCH64_ZACCESS (for 64-bit version), was verified to be a component of the SIREFEF/ZACCESS malware family. ZACCESS (also known as ZEROACCESS)…

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Tags: binary plantingsirefefzaccesszeroaccess

Security Predictions for 2020

  • Cybersecurity in 2020 will be viewed through many lenses — from differing attacker motivations and cybercriminal arsenal to technological developments and global threat intelligence — only so defenders can keep up with the broad range of threats.
    Read our security predictions for 2020.

Business Process Compromise

  • Attackers are starting to invest in long-term operations that target specific processes enterprises rely on. They scout for vulnerable practices, susceptible systems and operational loopholes that they can leverage or abuse. To learn more, read our Security 101: Business Process Compromise.

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