Z4root Virus

Forums › Android › Z4root Virus

jandal160165

141 posts

Master Geek
+1 received by user: 7

Topic # 84076 24-May-2011 20:21

http://handheld.softpedia.com/progDownload/z4root-Download-110178.html

Hi, Just thought I would get my copy of Z4root. To try the Battery Calibrator program. Then.... Microsoft Security essentials reports this as malware. Which is understandable. But then it talks about some kind of "exploit unix lotor" being imbedded in there. Just wondering if anyone else has come across this?

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473677 24-May-2011 21:52

http://www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Exploit:Unix/Lotoor

Technical Information (Analysis)
Exploit:Unix/Lotoor is a detection for specially-crafted Android programs that attempt to exploit vulnerabilities in the Android operating system to gain root privilege.
Installation
Exploit:Unix/Lotoor is dropped and installed by TrojanSpy:AndroidOS/DroidDream.A. Once installed, the exploit is present as the following names:

rageagainstthecage

exploid

Payload
Allows root access
When run, Exploit:Unix/Lotoor allow a remote attacker to gain administrator privilege to the device running Android operation system.

lokhor

2715 posts

Uber Geek
+1 received by user: 133

Trusted

Reply # 473684 24-May-2011 22:02

Lol!

According to that description it's dangerous because it gives you admin privileges on your own phone!

Lead Consultant @Intergen
All comments are my own opinion, and not that of my employer unless explicitly stated.

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473692 24-May-2011 22:12

Oh yeah and I missed this paragraph.....

Connects to a remote website
Exploit:Unix/Lotoor decrypts the name of a remote server provided by TrojanSpy:AndroidOS/DroidDream.A such as "184.105.245.17". The server address is used to send user identifiable data from the affected mobile device.

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473729 24-May-2011 22:38

This just came up from attempting a download from Softpedia as mentioned. Hopefully someone may have a safer option. Get get Z4 from.

billgates

3745 posts

Uber Geek
+1 received by user: 206

Trusted

Reply # 473751 24-May-2011 23:22

I hope you did not continue with the installation because it is a virus.

http://virus.netqin.com/en/android/BD.DroidDream.A/

Do whatever you want to do man.

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473752 24-May-2011 23:24

Nope.

eXDee

4025 posts

Uber Geek
+1 received by user: 1076

Trusted

Reply # 473758 25-May-2011 00:25

Its what z4root uses, rageagainstthecage exploit. Because its an exploit, technically an antivirus program should pick it up. ESET NOD32 started picking up my apks for z4root as well.

Rooting on android is done by exploiting a security flaw, and thats exactly what this does.
I disabled my antivirus before downloading it from the official source and copying it to my phone.
http://forum.xda-developers.com/showthread.php?t=833953
22/ 43 result on virustotal, which is exactly what i'd expect here.

rageagainstthecage is a root exploit via a fork bomb.

It IS a potentially malicious payload, BUT it is being used with owner's consent to root the phone.

The DreamDroid malware use exactly same payload - they are trojans, but this is a helpful tool.

It IS a dangerous tool in the wrong hands, but this is a root exploit, so you should exercise common sense and a little understanding of what it does and how it works.

SuperOneClick and anything else with the same exploit code will also set it off.

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473759 25-May-2011 00:29

I think I agree. But the version I was downloading definitely had a nasty on it. Able to talk to some server etc. I will look at this site. Cheers

eXDee

4025 posts

Uber Geek
+1 received by user: 1076

Trusted

Reply # 473760 25-May-2011 00:43

No, the one you downloaded is identical to the one from XDA. It does not talk to a remote server.

Your antivirus, and others are detecting the exploit code that z4root uses, which is identical to the exploit code that the DreamDroid malware uses, and this is why the antivirus picks it up. DroidDream DOES talk to a remote server.

I edited my post above when you were replying with this info.

jandal160165

141 posts

Master Geek
+1 received by user: 7

Reply # 473761 25-May-2011 00:50

Ok. Now I am happy with that explanation. Cheers.

nakedmolerat

4332 posts

Uber Geek
+1 received by user: 805

Trusted

Reply # 473767 25-May-2011 04:10

Good to reason not to root. How certain can you be? Are you sure you download the right one. The last thing you want your phone got hijacked. What is the file md5

eXDee

4025 posts

Uber Geek
+1 received by user: 1076

Trusted

Reply # 473866 25-May-2011 12:12

SuperOneClick has removed rageagainstthecage to avoid these false positives. It now has only psneuter and GingerBreak.

Rooting can be fine as long as you're getting the program to do it from its original source. Z4root, superoneclick, unrevoked3 are all examples of apps which are are commonly used to root. Using the MD5 to verify its the original file is a good idea.

stevenz

2771 posts

Uber Geek
+1 received by user: 118

Reply # 474007 25-May-2011 16:10

If you're worried, install the "Lookout" app, it's basically Android anti-virus.

@KnightNZ