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General Discussion

General discussions of portable apps and news.

sage

Submitted by raym on September 11, 2006 - 9:48pm

i'm looking for a light rss program simular to sage which is not compatable with firefox beta2

False Positive: Trojan: Downloader.Zlob (Sep 11)

John T. Haller's picture
Submitted by John T. Haller on September 11, 2006 - 10:27am

The AVG Free Antivirus program's definitions went a bit wonky (technical term) today and it decided that every single portable app launcher contains a trojan. Rest assured that this is just yet *another* issue with a free antivirus program's virus definitions and there's nothing wrong with any of the portable apps. As for what to do to fix the issue, you should contact AVG and ask them to fix their mistake. Don't click 'Heal' as, to AVG, that means 'Delete the file'.

Update Sep 12 - AVG has already confirmed that this was an issue with their morning virus definitions update and has released a new definition set that fixes this problem. Also, from AVG: "If you need to restore deleted files from AVG Virus Vault you can do it this way: open AVG Virus Vault (Start -> Programs -> AVG Antivirus -> AVG Virus Vault). Locate the file that was removed, right click on it and choose "Restore File(s)" option."

Trojan Horse Downloader.Zlob -- False Positive?

PBoyington's picture
Submitted by PBoyington on September 11, 2006 - 9:03am

Apologies if this is not the place to post this, but this morning AVG anti-virus killed my portable apps due to them having the following:

Trojan Horse Downloader.Zlob

Can anyone enlighten me about this? I am hoping it is just a false positive, because I downloaded the programs again and the scan shows them to be infected also.

Thanks,
Preston

Java Runtime (JRE) on USB drive - How is it done?

Submitted by derekthegeek on September 9, 2006 - 5:32pm

I keep reading conflicting information about installing and using the Java Runtime (JRE) on a USB drive. Some posts say that it can't be done, as Sun's Java installs all sorts of registry entries, yet other posts talk about using java based programs on their USB drive with the JRE right along aside (e.g. also on the USB drive).

Is it possible to install the JRE on a USB drive so that Java apps on the USB drive can run without Java being installed on the host computer? If so, could someone point me to the install/setup instructions? Thank you very much.

Disk Encryption without Admin rights - Does it exist?

Submitted by derekthegeek on September 6, 2006 - 4:09pm

Has anyone found a program that will encrypt/decrypt a USB disk that does not require admin privileges? TrueCrypt looks like a great program but I really need to be able to use my USB flash drive from public machines where I can be guaranteed of NOT having admin permissions. I don't want to carry around my drive without it being encrypted as I am sure I will lose it at some point. Has anyone come up with any workarounds, whether they be for TrueCrypt or another encryption program? Thanks.

- Derek

How secure? Biometric & TrueCrypt Questions

Submitted by derekthegeek on September 6, 2006 - 11:16am

Does anyone have any experience with any of the biometric (i.g. fingerprint scan) USB flash drives such as the "San Disk Cruzer Profile" and "Lexar JumpDrive TouchGaurd"? How well do they prevent access to the drive if a user is not authenticated? Is the U3 "Logon" security reliable or can it be bypassed without much effort? I would like to carry my USB flash drive around on my key chain knowing that if it is lost or stolen that my information will be secure from most everybody, save the NSA or FBI (I assume they could crack most anything).

I know others have mentioned using TrueCrypt to encrypt volumes on the flash drive, but does TrueCrypt, having to have "admin rights", cause any problems when using machines where admin access is not possible (e.g. library terminals, internet cafes, etc...).

thumb drive lifetime?

Submitted by jsbenson on September 5, 2006 - 12:46am

Since the lifetime of the NAND flash memory is quoted as between 10K and 100K write cycles, and I see the little LED flashing even when I'm not aware of doing anything to cause thumb drive access, the question naturally arises:

How long are these drives expected to last before the first bits start failing?

I know that I'm supposed to do backups regardless of the storage medium, but this is my first time out with a flash drive so I'm rather curious.

Also,

In a modern flash drive, does the flash memory controller remap storage addresses to equalize the write activity across the drive?

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