Virus.Win32.Duel_301b31d31c – Adaware

Susp_Dropper (Kaspersky), LooksLike.Win32.Malware!B (v) (VIPRE), Email-Worm.Win32.Brontok!IK (Emsisoft), Virus.Win32.Duel.FD, GenericEmailWorm.YR, GenericIRCBot.YR (Lavasoft MAS)Behaviour: Worm, Email-Worm, Virus, IRCBot

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

Summary

MD5: 301b31d31cee04eab49c71c1cc46efce

SHA1: 9f90399b91bea36744643454fc964fa94c491c71

SHA256: aa68c124e64116a824d9c5d0f8e16c5b644c49a15674b3ca841ad317c4b77c54

SSDeep: 384:/3Jv5q Xv7qcQ8mO0PtBtOtmHNH8WBU QTPivVvUrtIDPqTHQAprPLKpko7Cxx00:/3f7jVulJtHtSnEAZTK cCwpL2

Size: 50176 bytes

File type: PE32

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: no data

Summary: Email-Worm. Worm that spreads its copies in attachments included in emails.

Dynamic Analysis

Process activity

The Virus creates the following process(es):

briazzzar.iby:1708
briazzzar.iby:424
301b31d31cee04eab49c71c1cc46efce.exe:1552

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

File activity

The process briazzzar.iby:1708 makes changes in a file system.

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

%Documents and Settings%\%current user%\Local Settings\Temp\jqazyy.ryij.iri (50 bytes)

The process briazzzar.iby:424 makes changes in a file system.

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

%Documents and Settings%\%current user%\Local Settings\Temp\iziiyr.rrzj.iri (50 bytes)

The process 301b31d31cee04eab49c71c1cc46efce.exe:1552 makes changes in a file system.

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

%Program Files%\WinPcap\jyzbzbyqq.jbyabrrara.rqq.ari (50 bytes)
C:\Perl\bin\jrrzqyjaa.ari (50 bytes)
%Program Files%\Windows NT\Accessories\jrrzqyjaa.ari (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jyzbzbyqq.jby (50 bytes)
%Program Files%\Windows Media Player\ibyqyajqi.aqj (50 bytes)
C:\totalcmd\ibyqyajqi.aqj (50 bytes)
%Program Files%\Outlook Express\jrrzqyjaa.ari.aqj (50 bytes)
%WinDir%\ime\imjp8_1\jyzbzbyqq.jby (50 bytes)
%WinDir%\ime\imjp8_1\yrabrrara.rqq (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\zarrrziii.rrqa (50 bytes)
%WinDir%\ime\imjp8_1\ibyqyajqi.aqj (50 bytes)
%Program Files%\Wireshark\briazzzar.iby (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\ibyqyajqi.aqj (50 bytes)
%WinDir%\Microsoft.NET\Framework\jzbyjayay.ara (50 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\yrabrrara.rqq (50 bytes)
%Program Files%\Windows Media Player\briazzzar.iby (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\jyzbzbyqq.jbyrara.rqq (50 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\yrabrrara.rqqqq.jbyrara.rqq (50 bytes)
C:\Perl\bin\qabijrazy.iya (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jzbyjayay.ara (50 bytes)
%WinDir%\ime\imjp8_1\jzbyjayay.ara (50 bytes)
%WinDir%\Network Diagnostic\ibyqyajqi.aqj (50 bytes)
%Program Files%\Windows Media Player\qabijrazy.iya (50 bytes)
%Program Files%\Outlook Express\jzbyjayay.ara.aqj (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jzbyjayay.ara (50 bytes)
%WinDir%\zarrrziii.rrq (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yrabrrara.rqq (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\ibyqyajqi.aqj (50 bytes)
%WinDir%\inf\ibyqyajqi.aqj (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\iirzqr.yzqj.iri (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jyzbzbyqq.jby (50 bytes)
C:\Perl\bin\ibyqyajqi.aqj (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\yrabrrara.rqq (50 bytes)
%Program Files%\Common Files\Adobe\Updater6\jrrzqyjaa.ari (50 bytes)
D:\jqrzqyjaa.ari (50 bytes)
%Program Files%\Wireshark\zarrrziii.rrq (50 bytes)
%Program Files%\Opera\updatechecker\ibyqyajqi.aqj (50 bytes)
%Program Files%\Outlook Express\zarrrziii.rrq.aqj (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\briazzzar.iby (50 bytes)
%Program Files%\Wireshark\yrabrrara.rqq (50 bytes)
%Program Files%\Outlook Express\jyzbzbyqq.jby.aqj (50 bytes)
%WinDir%\ime\imjp8_1\qabijrazy.iya (50 bytes)
%Program Files%\Opera\qabijrazy.iyar.ibyyrabrrara.rqq (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jrrzqyjaa.ari (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\yrabrrara.rqq (50 bytes)
%WinDir%\ime\imkr6_1\briazzzar.iby (50 bytes)
%WinDir%\xwrm.exe (50 bytes)
C:\totalcmd\jyzbzbyqq.jby (50 bytes)
%Program Files%\Wireshark\qabijrazy.iya (50 bytes)
%Program Files%\Windows NT\zarrrziii.rrq (50 bytes)
%WinDir%\ime\imjp8_1\zarrrziii.rrq (50 bytes)
%WinDir%\pchealth\helpctr\binaries\zarrrziii.rrq (50 bytes)
%Program Files%\Windows NT\Pinball\yrabrrara.rqq.ari (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\briazzzar.iby (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\qabijrazy.iya (50 bytes)
%Program Files%\NetMeeting\jyzbzbyqq.jbyyrabrrara.rqq (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\qabijrazy.iya (50 bytes)
%Program Files%\Wireshark\jrrzqyjaa.ari (50 bytes)
C:\totalcmd\jrrzqyjaa.ari (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zarrrziii.rrq (50 bytes)
%Program Files%\NetMeeting\jzbyjayay.arayrabrrara.rqq (50 bytes)
%Program Files%\Wireshark\ibyqyajqi.aqj (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jrrzqyjaa.ari (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\ibyqyajqi.aqja (50 bytes)
%WinDir%\ime\imjp8_1\jrrzqyjaa.ari (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yrabrrara.rqq (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\jrrzqyjaa.aria (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\qabijrazy.iya (50 bytes)
%Program Files%\NetMeeting\briazzzar.ibyyrabrrara.rqq (50 bytes)
%WinDir%\pchealth\helpctr\binaries\jzbyjayay.ara (50 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\zarrrziii.rrq (50 bytes)
%Program Files%\Common Files\Microsoft Shared\MSInfo\jyzbzbyqq.jby (50 bytes)

Registry activity

The process 301b31d31cee04eab49c71c1cc46efce.exe:1552 makes changes in a system registry.

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

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

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

Network activity (URLs)

A bot communicates with command and control servers via IRC channel.No activity has been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Worm that spreads its copies in attachments included in emails.

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):
briazzzar.iby:1708
briazzzar.iby:424
301b31d31cee04eab49c71c1cc46efce.exe:1552
Delete the original Virus file.
Delete or disinfect the following files created/modified by the Virus:
%Documents and Settings%\%current user%\Local Settings\Temp\jqazyy.ryij.iri (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\iziiyr.rrzj.iri (50 bytes)
%Program Files%\WinPcap\jyzbzbyqq.jbyabrrara.rqq.ari (50 bytes)
C:\Perl\bin\jrrzqyjaa.ari (50 bytes)
%Program Files%\Windows NT\Accessories\jrrzqyjaa.ari (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jyzbzbyqq.jby (50 bytes)
%Program Files%\Windows Media Player\ibyqyajqi.aqj (50 bytes)
C:\totalcmd\ibyqyajqi.aqj (50 bytes)
%Program Files%\Outlook Express\jrrzqyjaa.ari.aqj (50 bytes)
%WinDir%\ime\imjp8_1\jyzbzbyqq.jby (50 bytes)
%WinDir%\ime\imjp8_1\yrabrrara.rqq (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\zarrrziii.rrqa (50 bytes)
%WinDir%\ime\imjp8_1\ibyqyajqi.aqj (50 bytes)
%Program Files%\Wireshark\briazzzar.iby (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\ibyqyajqi.aqj (50 bytes)
%WinDir%\Microsoft.NET\Framework\jzbyjayay.ara (50 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\yrabrrara.rqq (50 bytes)
%Program Files%\Windows Media Player\briazzzar.iby (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\jyzbzbyqq.jbyrara.rqq (50 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\yrabrrara.rqqqq.jbyrara.rqq (50 bytes)
C:\Perl\bin\qabijrazy.iya (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jzbyjayay.ara (50 bytes)
%WinDir%\ime\imjp8_1\jzbyjayay.ara (50 bytes)
%WinDir%\Network Diagnostic\ibyqyajqi.aqj (50 bytes)
%Program Files%\Windows Media Player\qabijrazy.iya (50 bytes)
%Program Files%\Outlook Express\jzbyjayay.ara.aqj (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jzbyjayay.ara (50 bytes)
%WinDir%\zarrrziii.rrq (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yrabrrara.rqq (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\ibyqyajqi.aqj (50 bytes)
%WinDir%\inf\ibyqyajqi.aqj (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\iirzqr.yzqj.iri (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jyzbzbyqq.jby (50 bytes)
C:\Perl\bin\ibyqyajqi.aqj (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\yrabrrara.rqq (50 bytes)
%Program Files%\Common Files\Adobe\Updater6\jrrzqyjaa.ari (50 bytes)
D:\jqrzqyjaa.ari (50 bytes)
%Program Files%\Wireshark\zarrrziii.rrq (50 bytes)
%Program Files%\Opera\updatechecker\ibyqyajqi.aqj (50 bytes)
%Program Files%\Outlook Express\zarrrziii.rrq.aqj (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\briazzzar.iby (50 bytes)
%Program Files%\Wireshark\yrabrrara.rqq (50 bytes)
%Program Files%\Outlook Express\jyzbzbyqq.jby.aqj (50 bytes)
%WinDir%\ime\imjp8_1\qabijrazy.iya (50 bytes)
%Program Files%\Opera\qabijrazy.iyar.ibyyrabrrara.rqq (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jrrzqyjaa.ari (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\yrabrrara.rqq (50 bytes)
%WinDir%\ime\imkr6_1\briazzzar.iby (50 bytes)
%WinDir%\xwrm.exe (50 bytes)
C:\totalcmd\jyzbzbyqq.jby (50 bytes)
%Program Files%\Wireshark\qabijrazy.iya (50 bytes)
%Program Files%\Windows NT\zarrrziii.rrq (50 bytes)
%WinDir%\ime\imjp8_1\zarrrziii.rrq (50 bytes)
%WinDir%\pchealth\helpctr\binaries\zarrrziii.rrq (50 bytes)
%Program Files%\Windows NT\Pinball\yrabrrara.rqq.ari (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\briazzzar.iby (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\qabijrazy.iya (50 bytes)
%Program Files%\NetMeeting\jyzbzbyqq.jbyyrabrrara.rqq (50 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\qabijrazy.iya (50 bytes)
%Program Files%\Wireshark\jrrzqyjaa.ari (50 bytes)
C:\totalcmd\jrrzqyjaa.ari (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zarrrziii.rrq (50 bytes)
%Program Files%\NetMeeting\jzbyjayay.arayrabrrara.rqq (50 bytes)
%Program Files%\Wireshark\ibyqyajqi.aqj (50 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jrrzqyjaa.ari (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\ibyqyajqi.aqja (50 bytes)
%WinDir%\ime\imjp8_1\jrrzqyjaa.ari (50 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yrabrrara.rqq (50 bytes)
%Program Files%\MSN Gaming Zone\Windows\jrrzqyjaa.aria (50 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\qabijrazy.iya (50 bytes)
%Program Files%\NetMeeting\briazzzar.ibyyrabrrara.rqq (50 bytes)
%WinDir%\pchealth\helpctr\binaries\jzbyjayay.ara (50 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\zarrrziii.rrq (50 bytes)
%Program Files%\Common Files\Microsoft Shared\MSInfo\jyzbzbyqq.jby (50 bytes)
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.

Static Analysis

Network Activity

Map

Strings from Dumps