Trojan horse Downloader Zlob.UAQ in Clamwin Portable 0.92 & Sumatra Portable 0.8

Discussion moved here: http://portableapps.com/node/11334

Learning about portable apps gave me a fresher perspective in using my hard drive. Upon first installing all apps that came with the suite, I made use of all the apps and everything was normal.

I use my portable hard drive on at least three computers--one desktop at home, one desktop at the office and my notebook. All desktops & the notebook have XP SP2 as OS and have been constantly updated on-line. I have a full suite of AVG Home Internet Security at home while the office has its own set of anti virus software. This morning, I noted that AVG got hold of this trojan horse above in Sumatra Portable 0.8 as well as in Clamwin Portable 0.92. I tried using my portable hard drive at home and noted the same finding. My PrevX2 anti-malware indicator at home even turned red upon seeing this same trojan horse.

Both earlier releases of Clamwin & Sumatra Portables did not give me these problems. Anyone could help me iron this out? I am not so much of a techie but understand that I need to surf safe all the time--I hate viruses, malware, etc adversely affecting PCs I use anywhere and I would not want the same thing to happen to others.

Meanwhile, I just have to delete Clamwin & Sumatra from my portable hard drive.