Datasets:
clydeiii
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cybersecurity

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The family1-e malware is part of Fake AV Alert/Scareware family analyzed below. The behavior of Fake
Alert/Scareware is quite similar to Trojan.Hydraq malware associated with the actual Aurora attacks,
albeit in a much more primitive form.
Sample Analysis Details
The additional samples in Damballa
s possession that have been clustered as part of Aurora botnet
malware can be separated into two distinct families of Fake AV Alert / Scareware: Login Software 2009
and Microsoft Antispyware Services. The first samples of each family were discovered by Damballa on
November 26 2009 and August 19, 2009 respectively. The analysis details are broken down into the
following:
First Discovered
The time when the sample was first discovered and acquired by Damballa.
Prevalence
The date range when the samples are still being seen in the wild by Damballa.
Infection Vector
How the samples are delivered to the unsuspecting victims.
Symptoms
Observable behaviors in the system that signals the possible presence of
malware without actually looking at the registry or searching for the malware file itself.
System Behavior
How the malware works its way through the system to execute its
objective.
Network Behavior
A detailed look at how the malware utilizes the domains it connects to.
Protection Mechanism
How the malware hides from the user or system inspection tools.
AV Evasion Techniques
How the malware protects itself from being detected by AV host
solutions.
Intent
The main purpose of the malware family
Page 18
The Command Structure of the Aurora Botnet
Fake AV Alert / Scareware
Login Software 2009
Fake Microsoft Antispyware Service
Discovered
2009-11-26
2009-08-19
Prevalence
November 2009
January 2010
August 2009
September 2009
Infection
Vector
Fake AV alerts on compromised or malicious Web sites
Fake AV / Scareware
Symptoms
System
Behavior
Login Software 2009 process in startup
Menu Bar and Toolbar of Internet Explorer is missing
System Restore is disabled
Folder Options in Windows Explorer is disabled
Extensions of known file types are hidden
Registry Tools disabled, rendering registry editing
inoperable
Local Settings
folder under
C:\Documents and
Settings\<User>\
(where the malware dropper places the
dropped and downloaded executables)
Presence of
C:\Documents and
Settings\<User>\Windows\system
folder
Pop-up ads
Presence of tracking cookies and displays ads from:
counter.surfcounters.com
looksmart.com
maxsun.biz
moreverde.com
oranges88.com
smarttechnik.com
www.prma-enhance.com
Malware propagates through fake malware alerts. The supposed
AV installer is actually the malware dropper. Its main purpose is to
drop and install the rest of the malware components. Upon
execution, it assigns a specific ID to the compromised host, then
Page 19
Microsoft Antispyware Services process in startup
Malware propagates through fake malware alerts. The supposed AV
installer is actually the malware dropper. Its main purpose is to drop
and install the rest of the malware components, typically:
The Command Structure of the Aurora Botnet
registers it to its malware server Web site and downloads the rest
of the malware to the compromised host.
To ensure that the malware is downloaded, the creator of this
malware dropper uses redundancy in its malware serving Web
infrastructure. The dropper checks three different Web sites:
mcsmc.org
micronetsys.org
mnprfix.cn
When Damballa discovered this malware dropper in August 2009,
the downloaded executable was version 0. The current version is
3. The functionalities remain similar.
After the successful download of the main component, the main
dropper generates a random name and copies the downloaded