Archive for the ‘Rogue software’ Category

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Rogue uses ‘update manager’

August 24th, 2009

It’s been a while since I last wrote about rogues. Some basic computing principles should be repeated over and over again though.

The screen below is very familiar. A ’scan’ that says you are infected. Can you trust it? NO!!!!

rog1

But here’s a new thing, an ‘update manager’ a la Adobe

rog2

The program gets installed wether or not you click the button.

rog4

Your PC then becomes sluggish and your favourite browser no longer works:

rog5

‘make a full scan’ is that good English? If you’re gonna do it, do it right no?

Fortunately, the app itself will let you ‘browse’ the payment page (how nice of them)

rog6

Those interested in the file can get its ID below.

rog7

Jerome Segura

Malware ID: 22d4a32d169c40c265a99207cfb7bced.zip

  • Posted in Rogue software
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Porn Fraud Tool

July 9th, 2009

Our Honeypot caught this piece of malware that presents itself as some sort of poorly written app.

A few buttons here and there… My guess is that this app should be hidden, and that it would simulate user clicks, hence generating money for the scammers… Well, my PC froze on it, so I was able to capture it.

It strongly reminds me of the old Porn Trojan.

porn

After a hard reboot, I noticed that my Desktop’s wallpaper had been changed:

spy

It creates several files set to run at startup:

files

Very soon after, it was porn galore on my machine. Better stay away from this!

The file is somewhat detected on Virus Total:

porn2

Jerome Segura

Malware ID:  d75eca38884f44926ff51f84b0033be6.zip

  • Posted in Rogue software
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Malware repo gets updated

July 3rd, 2009

This is an update from my previous post. I noticed an update to one of the pages on the malicious site

oymoma-tube.freehostia.com

Check the screen below and see the July 3rd time stamp:

hottube

The page hot-tube.htm is now pushing a rogue, namely XP Deluxe Protector, disguised as a free codec:

hottube2

Upon execution, fake alert messages such as this one:

hottube3

Eventually the scareware will run:

hottube4

This sample is poorly detected, especially for being a variant of an already known rogue:

hottube5

Paretologic detects this file as:

clipboard01

Jerome Segura

Malware ID: dcfe992aa25bb1849c1e9f8c2c5d3c5b.zip

  • Posted in Fake codecs, Rogue software
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Fake Celebrities site drops malware

June 29th, 2009

Thise site popped up on my radar… The fake Flash Player is malware, of course.

hot

hot3

I was very surprised to see that only 3 AV vendors detect this threat!

hot2

Jerome Segura

Malware ID: 260f8513934016b9eafb6e9edf650c01.zip

  • Posted in Fake codecs, Rogue software
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Large cluster of fake AV

June 26th, 2009

This is a pretty large number of domains on the same IP address delivering scareware programs.

fake

The IP is 209.44.126.241

besecurityguardian.com

bestyourtrust.com

bitsecuritycenter.com

brasll.com

fullpcvirusscan.com

fullsecurityaction.com

gisecurityshield.com

godsecurityarchive.com

hortshieldpc.com

hupersecuritydot.com

intellectsecfind.com

intellectsecurityshield.com

libecoolsites.com

libertysecuritytool.com

mail.allowedwebsurfing.com

mail.godsecurityarchive.com

mail.hupersecuritydot.com

mail.intellectsecurityshield.com

mail.libecoolsites.com

mail.moregreatsites.com

mail.souptotalsecurity.com

mail.uniqtrustedweb.com

mail.upsecurityscanned.com

moregreatsites.com

mx241.brasll.com

ns1.godsecurityarchive.com

ns1.hupersecuritydot.com

ns1.libecoolsites.com

ns1.moregreatsites.com

ns1.souptotalsecurity.com

ns1.truesecuredpcs.com

ns1.uniqtrustedweb.com

resecurityaction.com

scanpcsecurity.com

scantrustsecurity.com

securetopshield.com

securexdetect.com

securityfastscan.com

securityshieldcenter.com

securityuniqscan.com

sidewebvirusscan.com

souptotalsecurity.com

thefirstupper.com

todaysecuritytop.com

totalsitesarchive.com

totalvirusshield.com

uniqtrustedweb.com

upsecurityscanned.com

virusdestroyerboost.com

www.allowedwebsurfing.com

www.bestwebscantools.com

www.fullsecurityaction.com

www.fullvirusprotection.com

www.hupersecuritydot.com

www.intellectsecurityshield.com

www.moregreatsites.com

www.truevirusshield.com

xvirusdescan.com

Also shown in this graph:

20944126241as

I downloaded one of the files and detection on VirusTotal is fairly low (8/41)

fake2

Just out of curiosity, I checked it against our Zheng heuristic system and we proactively detect it already :-)

zheng1

Jerome Segura

Malware ID: bb2de997ea9d38c1895b6e115e16407b.zip

  • Posted in Rogue software
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Fake Porntube Malware

June 25th, 2009

I came across yet another fake PornTube site.

portube1

The Whois for that domain is somewhat obscure!

whois

The malicious file comes from another domain (eshymkent.cn), yet on the same IP

graph

The malware file turns out to be a rogue app called Fast Antivirus 2009

portube2

Although this rogue is already known, I am surprised to see the low detection rate on VirusTotal:

portube3

Jerome Segura

Malware ID: d33e766d7fc6a984fe797816cc4af245.zip

  • Posted in Fake codecs, Rogue software
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Antonella Barba used to deliver malware

June 12th, 2009

American Idol singer Antonella Barba’s name (and more!)  is being used in malware campaigns.

I found at least two different websites registered using her name, that are pushing malware.

barba2

barba3

The page is pretty straightforward… with the alleged video being the center of attention:

barba1

If you click on the video, it will redirect you to a page that tries to load streamviewer.40009.exe

barba4

The file is hosted on yet another domain created June 11, so still very recent.

barba5

A Robtex analysis reveals some interesting connections:

barba6

You can see the domain names for scareware programs:

barba7

The malware file is not very well detected:

barba8

A clue to what it might be doing as a payload is revealed by this Fiddler analysis:

barba9

It looks like some click fraud using ad banners:

barba11

barba12

Every now and again, amongst redirections and pop ups you will see it trying to push rogueware:

barba10

Once again, this is a reminder of how celebrities are used in malware attacks. Their private lives interest people, which makes them a prime target for hackers.

Warning: all links are live and can infect your PC.

Jerome Segura

  • Posted in Fake codecs, Rogue software
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Rogue has weird behaviour

June 9th, 2009

Take the latest rogue, Virus Shield 2009 and you will find some interesting stuff.

tipoftheday2

I love that tip of the day thing. It actually is a really good tip ;-)

tipoftheday1

The rogue hijacks your hosts file with some interesting domains… one of them being another rogue. It redirects it to 74.125.45.100, which is Google’s IP address.

tipoftheday3

Is it a competitor? Someone they don’t like? Sounds like a story made for Dancho Danchev.

Jerome

  • Posted in Rogue software
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Mac Malware is more popular (than before)

June 9th, 2009

Do you own a Mac and think you are safe?

Think again. One of the latest scareware programs targets both the PC and the Mac.

If you are a Mac, you get redirected to the pagemac.php page:

mac1

It will download the following file: QuickTime.dmg

mac2

Note: those links are still live and dangerous.

Jerome

  • Posted in Malware Trends, Rogue software
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Rogue Trail

May 26th, 2009

This story will take us from Poland, to Ukraine and Russia in the fascinating world of fake software.

WinPC Defender is a rogue anti virus program. For some reason, the program crashed on my machine… I guess not much time is spent on quality control.

rog1

It also hijacks your browser and displays fake warnings when you click links.

rog2

I thought this one was interesting, what about a sub affiliate? What exactly is it? If anyone knows, please tell me!

sub

This page is registered to Andrzej from Poland. Â

rog4

It then takes me to the “check out” page. Time to get my credit card information!

rog5

This page is registered to Nexton Limited from Kiev, Ukraine:

rog6

After a failed attempt (bad credit card), I got redirected to another payment page:

rog7

This time folks, meet Sergey from Russia:

rog8

Well, after this Eastern Europe trip I still had some questions left in my bag. I found an answer to the sub affiliate:

A sub-affiliate is someone who joins a two-tier affiliate program after being referred to it by another affiliate.

As well as earning commissions on your own sales, you earn commissions on sub-affiliate sales.

So if Betty persuades John to join, and John (the sub-affiliate) makes a sale, Betty earns a commission.

(Taken from associateprograms.com).

It sounds like a lucrative business to me.

This is just one example, of many rogue scams. Why are there so many online criminals in Eastern Europe? Well, different countries have different laws. How do you fight against someone in another jurisdiction? There is no international agreement for those kinds of matters.  Read “Is it time for InternetPol?” from F-Secure for more on the topic.

Being a cyber criminal can be an easy way to make a lot of money with minimum efforts in a country where unemployment and socio-economic problems are high.

A lot of those fake programs are localised, so don’t think only North America is targeted. In fact their reach is pretty wide, so long as you have a computer and an Internet connection, you can be a victim. Those hackers leverage the lack of computer knowledge that most people have. It gets me though sometimes, how some simple things don’t get people to think twice.

Is there an end in sight? Not likely for a while, as the delivery mechanism (exploits, social-engineering) is pretty solid.

On the defensive side, blocking the malicious domains is always an arms race… and it is easy to change them dynamically (fast-flux) to prevent blocking.

If you are interested in reading about the rogue software business, I recommend checking out Dancho Danchev’s blog. He often posts very detailed reports.

Jerome

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RSS feed to this site Jerome Segura is a Security Analyst working at ParetoLogic.

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