Gen.Heur.VIZ.6_6c33558f07 – Adaware

HEUR:Trojan.Win32.Generic (Kaspersky), Rogue.Win32.FakeAV (A) (Emsisoft), Gen:Heur.VIZ.6 (AdAware), Fake-AV.Win32.FakeRean.2.FD, FakeAVWin32FakeRean.YR (Lavasoft MAS)Behaviour: Trojan, Fake-AV

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: 6c33558f0762d92a81f0fec0ddf19f24

SHA1: bc32c545ee9502fb11ca7c321455e79ea1a332d7

SHA256: cde4c2c922eca9e5ce90522257ea89b7d7454018ad72200698614ef3356cb770

SSDeep: 3072:EOJn6/HBq3qAdGhS4k5p5pU4T4B jca8Wz/9DMFIW925pOLA/hmqVvTVLC4HTkwH:EOJ Bq3qnop535 Wzmw5pSqpheLwe2

Size: 204486 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: Premium Installer

Created at: 2012-07-25 15:12:41

Analyzed on: WindowsXPESX SP3 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:888

The Trojan injects its code into the following process(es):

aln.exe:1596

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:888 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Application Data\aln.exe (204 bytes)

The process aln.exe:1596 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\AAX6WLO9\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\PKK63MHM\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\A24AB8Q7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\BPX15JCH\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Templates\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\All Users\Application Data\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)

The Trojan deletes the following file(s):

C:\%original file name%.exe (0 bytes)

Registry activity

The process %original file name%.exe:888 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 06 23 14 95 C2 FF E3 BE C2 C9 79 59 9F 63 64"

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]
"DisableNotifications" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Templates" = "%Documents and Settings%\%current user%\Templates"

[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"
"UpdatesDisableNotify" = "1"
"FirewallOverride" = "1"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]
"EnableFirewall" = "0"

"DoNotAllowExceptions" = "0"

Antivirus notifications are disabled:

[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"

A firewall is disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"

The following service is disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess]
"Start" = "4"

Firewall notifications are disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"

The process aln.exe:1596 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Classes\exefile\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\aln.exe -a %1 %*"

[HKCU\Software\Classes\exefile\shell\runas\command]
"IsolatedCommand" = "%1 %*"

[HKCU\Software\Classes\exefile]
"(Default)" = "Application"

[HKCU\Software\Classes\.exe\shell\runas\command]
"IsolatedCommand" = "%1 %*"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 16 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Clients\StartMenuInternet]
"(Default)" = "IEXPLORE.EXE"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKCU\Software\Classes\exefile\shell\open\command]
"IsolatedCommand" = "%1 %*"

[HKCU\Software\Classes\.exe\shell\runas\command]
"(Default)" = "%1 %*"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Templates" = "%Documents and Settings%\%current user%\Templates"

[HKCU\Software\Classes\exefile\shell\runas\command]
"(Default)" = "%1 %*"

[HKCU\Software\Classes\exefile]
"Content Type" = "application/x-msdownload"

[HKCU\Software\Classes\.exe\shell\open\command]
"IsolatedCommand" = "%1 %*"

[HKCU\Software\Classes\.exe]
"(Default)" = "exefile"

[HKLM\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\aln.exe -a %Program Files%\Internet Explorer\iexplore.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKCU\Software\Classes\exefile\DefaultIcon]
"(Default)" = "%1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows]
"Identity" = "3044072876"

[HKCU\Software\Classes\.exe\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\aln.exe -a %1 %*"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "76 F0 7D CE 5C DC 0B 6A CB 06 B5 60 AF 27 19 40"

[HKCU\Software\Classes\.exe\DefaultIcon]
"(Default)" = "%1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Classes\.exe]
"Content Type" = "application/x-msdownload"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ctfmon.exe" = "%System%\ctfmon.exe"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

There are no dropped PE files.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:888
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Application Data\aln.exe (204 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\AAX6WLO9\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\PKK63MHM\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\A24AB8Q7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\BPX15JCH\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Templates\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\All Users\Application Data\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\1pb78m8n6he1l1565b3k36w7o7of8ksb88y53s63tpqg0vl (1079 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ctfmon.exe" = "%System%\ctfmon.exe"
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	5084	5120	5.37041	6e68dd9318fa0d18c68b971a5ffaaa03
.rdata	12288	1156	1536	2.70992	d0739c50e39a0eefd2830993291e124a
.data	16384	1904640	512	0	bf619eac0cdf3f68d496ea9344137e8b
.rsrc	1921024	196076	196096	5.54409	29443714b265548d5d72cd82e8b3c41b

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 1
1266b4b942dcb8586e8aaec58925f6d3

Network Activity

URLs

URL	IP
hxxp://84.22.104.243/1ff6b5iikbtcefdd8hnbfa99es4e10be5g328491922a
hxxp://84.22.104.243/c1f8d4j4mdqlecfk4mm64pgaekdcab937ma68f46ed20
hxxp://84.22.104.243/669494bcib35399c8ee67dkdig7gd5cgeg869ea0e1d7
hxxp://84.22.104.243/d6a16bibhgbfameieiic6bg85sdnbff37kg0f91e99cf
hxxp://84.22.104.243/a77495i7ab6nildm4ll46klegofk13idi93a3211472e
hxxp://84.22.104.243/3f57c783fqg8797jjfjj3kd3cqeaf7798mf21fb2ebcf
hxxp://84.22.104.243/cc7chf79im5o9dciinn84jk3eeikd7f9c9fe447e60fc
hxxp://84.22.104.243/ea5af6heaq6fgi6m7nef7nbfdo4oef6bfl50a04e508a
hxxp://84.22.104.243/6e6bg777odfh491qbih99ogcei7dee4dhlace45fad57

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps

aln.exe_1596_rwx_00380000_00001000:

Kernel32.dll

hrt.dhmsvcT

aln.exe_1596_rwx_00390000_00001000:

Kernel32.dll

hrt.dhmsvcT

aln.exe_1596_rwx_003D0000_00006000:

.text

`.rdata

@.data

.reloc

SSSh=

u.PPh

%sx.tmp

microsoft.com

xx%s%s

SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command

.exe\shell

cmd.exe /C del /Q /F "%s"

%s%u%u.tmp

gdiplus.dll

oleaut32.dll

user32.dll

ws2_32.dll

msvcrt.dll

URLDownloadToFileA

urlmon.dll

WS2_32.dll

SHDeleteKeyA

SHLWAPI.dll

GetWindowsDirectoryA

KERNEL32.dll

USER32.dll

RegCloseKey

RegOpenKeyA

ADVAPI32.dll

84.22.104.243

109.206.174.44

pcsecsupport.com

1089-903874-1875

003338200000

hXXp://moneysnetingiss.com/data.exe

hXXp://%S/%S

aln.exe_1596_rwx_00401000_001EF000:

p.S

2010:06:04 04:17:53

hXXp://ns.adobe.com/xap/1.0/

2010-06-04T04:17:53.229

John

2010-06-04T04:17:53.229

John

,!.fy

3d%D-

/X.Rp

_U$%x

(7),01444

'9=82<.342>

2010:06:04 04:07:41

2010-06-04T04:07:41.468

John

2010-06-04T04:07:41.468

John

.IDATx

2010:06:04 04:18:38

2010-06-04T04:18:38.428

John

2010-06-04T04:18:38.428

John

HTTP/1.0 200 OK

Date: %s

Expires: %s

Content-Type: %s

2010:06:04 04:19:08

2010-06-04T04:19:08.340

John

2010-06-04T04:19:08.340

John

]sM-H%x

P%Sp

{]m%X-de

2010:06:04 04:19:40

2010-06-04T04:19:40.162

John

2010-06-04T04:19:40.162

John

$%.wH

B.fAk

00000000

2010:06:04 04:20:15

2010-06-04T04:20:15.844

John

2010-06-04T04:20:15.844

John

9%D,3

gdiplus.dll

user32.dll

wsock32.dll

ws2_32.dll

oleaut32.dll

gdi32.dll

advapi32.dll

uxtheme.dll

ole32.dll

shell32.dll

comctl32.dll

shlwapi.dll

version.dll

msimg32.dll

ntdll.dll

kernel32.dll

microsoft.com

Software\Microsoft\Windows

SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

IEXPLORE.EXE

FIREFOX.EXE

%System%\ctfmon.exe

ctfmon.exe

Software\Microsoft\Windows\CurrentVersion\Run

%s\shell\%s\command

%s, %.2i %s %.4i %.2i:%.2i:%.2i GMT

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

HTTP/1.0

HTTP/1.

PSSh@

PSShY.]

PSShK

PSShE

SSSSSSh

SSSSh

%Program Files%\Java\jre6\lib\cmm\

h1 { color: #4465A2; font-size: 1.1em; font-weight: normal; vertical-align:bottom; margin-top: 7px; margin-bottom: 4px; }h2 { font-size: 0.9em; font-weight: normal; margin-top: 20px; margin-bottom: 1px; }h3 { font-size: 0.9em; font-weight: normal; margin-top: 10px; margin-bottom: 1px; }h4 { font-size: 0.9em; font-weight: normal; margin-top: 12px; margin-bottom: 1px; }.b { vertical-align: middle; margin-top: %MF%px; margin-right: 6px; }ul, ol { font-size: 0.9em; list-style-position: outside; margin-top: 1px; margin-bottom: 1px; padding-top: 1px; padding-bottom: 1px; line-height: 1.3em; }

Windows recommend Activate %1

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IRC-Worm.DOS.Loa

IRC-Worm.DOS.Septic

It is a harmless memory resident parasitic polymorphic virus. It writes itself to beginning of SYS and to the end of EXE files. While executing an infected EXE file the virus opens the C:\CONFIG.SYS file, scans it for the names of device drivers, infects them and returns to the host program.

It is a harmless nonmemory resident parasitic virus. It searches for COM and EXE files and infects them. It was created with Biological Warfare Mutation Engine - it is a polymorphic engine, like the MtE and TPE engines. This virus writes itself to the end of the files. It contains the text strings:...

BWME.Twelve.1378

This worm spreads via Windows Messenger. It is written in Visual Basic, and packed using UPX. The packed file is 8704 bytes in size, and the unpacked file is 24064 bytes in size. Once launched, the worm sends a messenger to all MSN Messenger contacts: "its you" The message is accompanied by the...

IM-Worm.Win32.Kelvir.k

Email-Worm.JS.Gigger

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