Virus.Win32.Duel_c855f31542

by malwarelabrobot on September 4th, 2013 in Malware Descriptions.

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, EmailWorm, Virus, IRCBot


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

Summary
Technical Details
Removal Recommendations

MD5: c855f31542cc5dc33225aead0ef36207
SHA1: 2207b16743df3a3643cd9024126a6e61fd55e0e8
SHA256: dc60ad00543bca09c76536b2791380c127c218a9d86865c10c04aaf4a83aeeda
SSDeep: 768:lqoEg DouJinxGpkPnGAy8ZDPD1yIz0saC 2:1EvooixDGX8ZDL1y8wC
Size: 43008 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: no data


Summary:

Virus. A program that recursively replicates a possibly evolved copy of itself.

Payload

Behaviour Description
EmailWorm Worm can send e-mails.
IRCBot A bot can communicate with command and control servers via IRC channel.


Process activity

The Virus creates the following process(es):

c855f31542cc5dc33225aead0ef36207.exe:864
yzbzbyqqj.byj:512
yzbzbyqqj.byj:608

File activity

The process c855f31542cc5dc33225aead0ef36207.exe:864 makes changes in a file system.
The Virus creates and/or writes to the following file(s):

%Program Files%\Common Files\Adobe\ARM\1.0\yzbzbyqqj.byj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\rrzqyjaaa.rizir.rqyjaaa.riz (43 bytes)
%Program Files%\Wireshark\yzbzbyqqj.byj (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\rrzqyjaaa.riz (43 bytes)
%Program Files%\Outlook Express\abijrazyi.yai.byq (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\rabrrarar.qqj (43 bytes)
%Program Files%\Wireshark\riazzzari.byq (43 bytes)
C:\totalcmd\abijrazyi.yai (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\byqyajqia.qjj (43 bytes)
%Program Files%\MSN Gaming Zone\Windows\riazzzari.byqb (43 bytes)
%WinDir%\ime\imkr6_1\yzbzbyqqj.byj (43 bytes)
%WinDir%\ime\imjp8_1\arrrziiir.rqy (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\riazzzari.byq (43 bytes)
%WinDir%\Microsoft.NET\Framework\rabrrarar.qqj (43 bytes)
%WinDir%\ime\imjp8_1\byqyajqia.qjj (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\arrrziiir.rqy (43 bytes)
%WinDir%\inf\riazzzari.byq (43 bytes)
%WinDir%\pchealth\helpctr\binaries\byqyajqia.qjj (43 bytes)
C:\Perl\bin\riazzzari.byq (43 bytes)
%Program Files%\Wireshark\zbyjayaya.rab (43 bytes)
C:\Perl\bin\abijrazyi.yai (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\arrrziiir.rqyjaaa.riz (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\abijrazyi.yai (43 bytes)
%Program Files%\Opera\zbyjayaya.rabj.byjrrzqyjaaa.riz (43 bytes)
C:\totalcmd\riazzzari.byq (43 bytes)
%Program Files%\Wireshark\abijrazyi.yai (43 bytes)
%Program Files%\MSN Gaming Zone\Windows\abijrazyi.yaib (43 bytes)
%Program Files%\Outlook Express\arrrziiir.rqy.byq (43 bytes)
%Program Files%\NetMeeting\yzbzbyqqj.byjrrzqyjaaa.riz (43 bytes)
%Program Files%\Outlook Express\byqyajqia.qjj.byq (43 bytes)
%Program Files%\NetMeeting\arrrziiir.rqyrrzqyjaaa.riz (43 bytes)
%WinDir%\Network Diagnostic\riazzzari.byq (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zbyjayaya.rab (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\rrzqyjaaa.riz (43 bytes)
%Program Files%\Windows NT\byqyajqia.qjj (43 bytes)
%WinDir%\ime\imjp8_1\riazzzari.byq (43 bytes)
D:\abijrazyi.yai (43 bytes)
%WinDir%\ime\imjp8_1\abijrazyi.yai (43 bytes)
%WinDir%\xwrm.exe (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\zbyjayaya.rab (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\rrzqyjaaa.riz (43 bytes)
%WinDir%\byqyajqia.qjj (43 bytes)
%Program Files%\Windows Media Player\riazzzari.byq (43 bytes)
%WinDir%\ime\imjp8_1\rabrrarar.qqj (43 bytes)
%WinDir%\ime\imjp8_1\zbyjayaya.rab (43 bytes)
C:\Perl\bin\zbyjayaya.rab (43 bytes)
%Program Files%\WinPcap\arrrziiir.rqyzqyjaaa.riz.yai (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yzbzbyqqj.byj (43 bytes)
%Program Files%\Common Files\Microsoft Shared\MSInfo\arrrziiir.rqy (43 bytes)
%WinDir%\ime\imjp8_1\rrzqyjaaa.riz (43 bytes)
%Program Files%\MSN Gaming Zone\Windows\rrzqyjaaa.riz (43 bytes)
%Program Files%\Wireshark\rrzqyjaaa.riz (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\riazzzari.byq (43 bytes)
C:\totalcmd\arrrziiir.rqy (43 bytes)
%Program Files%\Opera\updatechecker\riazzzari.byq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\arrrziiir.rqy (43 bytes)
%Program Files%\MSN Gaming Zone\Windows\byqyajqia.qjjb (43 bytes)
%Program Files%\Outlook Express\rabrrarar.qqj.byq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\zbyjayaya.rab (43 bytes)
%Program Files%\Windows NT\Accessories\abijrazyi.yai (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\byqyajqia.qjj (43 bytes)
%Program Files%\Windows Media Player\yzbzbyqqj.byj (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\rrzqyjaaa.riz (43 bytes)
%Program Files%\Windows NT\Pinball\rrzqyjaaa.riz.yai (43 bytes)
%Program Files%\Wireshark\byqyajqia.qjj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\abijrazyi.yai (43 bytes)
%WinDir%\pchealth\helpctr\binaries\rabrrarar.qqj (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\rabrrarar.qqj (43 bytes)
%Program Files%\Windows Media Player\zbyjayaya.rab (43 bytes)
%Program Files%\Common Files\Adobe\Updater6\abijrazyi.yai (43 bytes)
%Program Files%\NetMeeting\rabrrarar.qqjrrzqyjaaa.riz (43 bytes)

The process yzbzbyqqj.byj:512 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\zrraiq.jibi.qbi (43 bytes)

The process yzbzbyqqj.byj:608 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\jyiryj.ayji.qbi (43 bytes)

Registry activity

The process c855f31542cc5dc33225aead0ef36207.exe:864 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"

The process yzbzbyqqj.byj:512 makes changes in a system registry.
The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "EA 33 5B DE A8 FD 8C C1 D7 50 96 A4 A1 58 A3 03"

The process yzbzbyqqj.byj:608 makes changes in a system registry.
The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "85 B7 58 8C B1 9B 95 04 52 42 3D E8 D6 F3 C2 23"

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)

No activity has been detected.

Rootkit activity

No anomalies have been detected.

Propagation


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):

    c855f31542cc5dc33225aead0ef36207.exe:864
    yzbzbyqqj.byj:512
    yzbzbyqqj.byj:608

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

    %Program Files%\Common Files\Adobe\ARM\1.0\yzbzbyqqj.byj (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\rrzqyjaaa.rizir.rqyjaaa.riz (43 bytes)
    %Program Files%\Wireshark\yzbzbyqqj.byj (43 bytes)
    %Program Files%\Common Files\Microsoft Shared\DW\rrzqyjaaa.riz (43 bytes)
    %Program Files%\Outlook Express\abijrazyi.yai.byq (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\rabrrarar.qqj (43 bytes)
    %Program Files%\Wireshark\riazzzari.byq (43 bytes)
    C:\totalcmd\abijrazyi.yai (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\byqyajqia.qjj (43 bytes)
    %Program Files%\MSN Gaming Zone\Windows\riazzzari.byqb (43 bytes)
    %WinDir%\ime\imkr6_1\yzbzbyqqj.byj (43 bytes)
    %WinDir%\ime\imjp8_1\arrrziiir.rqy (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\riazzzari.byq (43 bytes)
    %WinDir%\Microsoft.NET\Framework\rabrrarar.qqj (43 bytes)
    %WinDir%\ime\imjp8_1\byqyajqia.qjj (43 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\arrrziiir.rqy (43 bytes)
    %WinDir%\inf\riazzzari.byq (43 bytes)
    %WinDir%\pchealth\helpctr\binaries\byqyajqia.qjj (43 bytes)
    C:\Perl\bin\riazzzari.byq (43 bytes)
    %Program Files%\Wireshark\zbyjayaya.rab (43 bytes)
    C:\Perl\bin\abijrazyi.yai (43 bytes)
    %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\arrrziiir.rqyjaaa.riz (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\abijrazyi.yai (43 bytes)
    %Program Files%\Opera\zbyjayaya.rabj.byjrrzqyjaaa.riz (43 bytes)
    C:\totalcmd\riazzzari.byq (43 bytes)
    %Program Files%\Wireshark\abijrazyi.yai (43 bytes)
    %Program Files%\MSN Gaming Zone\Windows\abijrazyi.yaib (43 bytes)
    %Program Files%\Outlook Express\arrrziiir.rqy.byq (43 bytes)
    %Program Files%\NetMeeting\yzbzbyqqj.byjrrzqyjaaa.riz (43 bytes)
    %Program Files%\Outlook Express\byqyajqia.qjj.byq (43 bytes)
    %Program Files%\NetMeeting\arrrziiir.rqyrrzqyjaaa.riz (43 bytes)
    %WinDir%\Network Diagnostic\riazzzari.byq (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\zbyjayaya.rab (43 bytes)
    %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\rrzqyjaaa.riz (43 bytes)
    %Program Files%\Windows NT\byqyajqia.qjj (43 bytes)
    %WinDir%\ime\imjp8_1\riazzzari.byq (43 bytes)
    D:\abijrazyi.yai (43 bytes)
    %WinDir%\ime\imjp8_1\abijrazyi.yai (43 bytes)
    %WinDir%\xwrm.exe (43 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\zbyjayaya.rab (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\rrzqyjaaa.riz (43 bytes)
    %WinDir%\byqyajqia.qjj (43 bytes)
    %Program Files%\Windows Media Player\riazzzari.byq (43 bytes)
    %WinDir%\ime\imjp8_1\rabrrarar.qqj (43 bytes)
    %WinDir%\ime\imjp8_1\zbyjayaya.rab (43 bytes)
    C:\Perl\bin\zbyjayaya.rab (43 bytes)
    %Program Files%\WinPcap\arrrziiir.rqyzqyjaaa.riz.yai (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yzbzbyqqj.byj (43 bytes)
    %Program Files%\Common Files\Microsoft Shared\MSInfo\arrrziiir.rqy (43 bytes)
    %WinDir%\ime\imjp8_1\rrzqyjaaa.riz (43 bytes)
    %Program Files%\MSN Gaming Zone\Windows\rrzqyjaaa.riz (43 bytes)
    %Program Files%\Wireshark\rrzqyjaaa.riz (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\riazzzari.byq (43 bytes)
    C:\totalcmd\arrrziiir.rqy (43 bytes)
    %Program Files%\Opera\updatechecker\riazzzari.byq (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\arrrziiir.rqy (43 bytes)
    %Program Files%\MSN Gaming Zone\Windows\byqyajqia.qjjb (43 bytes)
    %Program Files%\Outlook Express\rabrrarar.qqj.byq (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\zbyjayaya.rab (43 bytes)
    %Program Files%\Windows NT\Accessories\abijrazyi.yai (43 bytes)
    %Program Files%\Common Files\Microsoft Shared\DW\byqyajqia.qjj (43 bytes)
    %Program Files%\Windows Media Player\yzbzbyqqj.byj (43 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\rrzqyjaaa.riz (43 bytes)
    %Program Files%\Windows NT\Pinball\rrzqyjaaa.riz.yai (43 bytes)
    %Program Files%\Wireshark\byqyajqia.qjj (43 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\abijrazyi.yai (43 bytes)
    %WinDir%\pchealth\helpctr\binaries\rabrrarar.qqj (43 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\rabrrarar.qqj (43 bytes)
    %Program Files%\Windows Media Player\zbyjayaya.rab (43 bytes)
    %Program Files%\Common Files\Adobe\Updater6\abijrazyi.yai (43 bytes)
    %Program Files%\NetMeeting\rabrrarar.qqjrrzqyjaaa.riz (43 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\zrraiq.jibi.qbi (43 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\jyiryj.ayji.qbi (43 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.

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