MD5: 5ce83c3cf1b59cb3818dc44b62f2e621
SHA1: 8c1cc985e950a29fbb4f8046d5a1079903edc51e
SHA256: 3ead27848dc88bdd422a029e5b6a8f206920c73a7e10439e4cef432a4d5254f8
SSDeep: 768:kCExwWnNNY9anLOTkGb8yO7vus41cS8XP2:LlWn7vskGb8 s41l8X
Size: 44032 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: r-installer
Created at: no data
Analyzed on: WindowsXP SP3 32-bit

Summary:

Worm. A program that is primarily replicating on networks or removable drives.

Payload

Process activity

The DeepScan creates the following process(es):

dwwin.exe:280
%original file name%.exe:1480

The DeepScan injects its code into the following process(es):
No processes have been created.

File activity

The process dwwin.exe:280 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\0H6B09UV\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\7A0C2.dmp (66689 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\UVK189CN\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CPIR0HE7\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SNKKLV2Z\desktop.ini (67 bytes)

The process %original file name%.exe:1480 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Templates\excel.xls (666 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\9f0f_appcompat.txt (6214 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yjzbyjaya.yar (44 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\yrrrzi.iirq.rzi (44 bytes)
%WinDir%\xwrm.exe (44 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\abriazzza.ribjaya.yar (44 bytes)

Registry activity

The process dwwin.exe:280 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8A E9 3E 53 DC 21 12 4C A6 F2 73 C5 AF A8 7D 41"

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[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"

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

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

[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"

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

[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"

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

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

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

Proxy settings are disabled:

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

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

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

The process %original file name%.exe:1480 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the DeepScan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"x32x" = "%WinDir%\xwrm.exe"

The DeepScan deletes the following registry key(s):

[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]

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

[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]
"DWFileTreeRoot"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

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

\xwrm.exe

%WinDir%\xwrm.exe

Software\Microsoft\Windows\CurrentVersion\Run

USER %s 8 * :%s

NICK %s

PONG %s

JOIN #england

PRIVMSG #england :.-:[X-Worm]:-.

irc.undernet.org

MAIL FROM:<%s>

RCPT TO:<%s>

--%s--

From:<%s>

To: %s

Subject:%s

boundary="%s"

X-Mailer: Microsoft Outlook Express 6.00.2800.1106

X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106

charset="windows-1255"

name= "%s%s"

Content-Disposition: attachment; filename="%s%s"

Support

No.reply

8.txtt:

8.htmt2

8.rtft*

8.doct"

8.bdxt

8.phpt

8.jspt

8.cgit

smtp

ws2_32.dll

ADVAPI32.DLL

RegOpenKeyExA

RegCloseKey

User32.dll

excel.xls

ia Player.lnk

Commander.lnk

8.exe

8.scrtt

8.avitJ

8.doctB

8.mp3t:

8.mpgt2

8.xlst*

8.jpgt"

8.zipt

8.isot

8.pdft

8.pptt

8.rart

c:\Documents and Settings\"%CurrentUserName%"\Templates\excel.xls

indows Media Player.lnk

or Repair Total Commander.lnk

34_all_incr.msp

5ed9567-aa58-4c8e-a8ea-3cad7c47ab03

SFC.DLL

WinExec

abriazzza.rib

c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\abriazzza.ribjaya.yar

ReadMe.exe

c:\%original file name%.exe

96.exe

C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\yrrrzi.iirq.rzi

GetWindowsDirectoryA

FPTBAWDRF-INOCPANDANTIAMONN32SNOD3NPSSSMSSSCANZONEPROTMONIRWEBMIRCCKDOTROJSAFEJEDITRAYANDASPIDPLORNDLLTRENNSPLNSCHSYSTALERj

KERNEL32.dll

Remove it with Ad-Aware

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

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   dwwin.exe:280
   %original file name%.exe:1480

2. Delete the original DeepScan file.
   
3. Delete or disinfect the following files created/modified by the DeepScan:
   

   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\0H6B09UV\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\7A0C2.dmp (66689 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\UVK189CN\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CPIR0HE7\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SNKKLV2Z\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Templates\excel.xls (666 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\9f0f_appcompat.txt (6214 bytes)
   %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yjzbyjaya.yar (44 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\yrrrzi.iirq.rzi (44 bytes)
   %WinDir%\xwrm.exe (44 bytes)
   %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\abriazzza.ribjaya.yar (44 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   "x32x" = "%WinDir%\xwrm.exe"

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