ThreatExpert Report: Downloader-BWS

Submission Summary:

Submission details:

Submission received: 7 November 2009, 07:15:14
Processing time: 6 min 35 sec
Submitted sample:

File MD5: 0xC55541F0FABC46372A537CC508E2E924
File SHA-1: 0xE239DFE6CC4816145E8C0DDEE32C985078F16D35
Filesize: 154,624 bytes
Alias: Downloader-BWS [McAfee]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.FakeAlert	Trojan.FakeAlert will hijack the desktop background with an image alerting the user that their computer system has been infected with spyware. It also changes some settings of windows which include:- disabling permissions for the user to change the background image and setting the active desktop to 'show web content'. It is usually installed in conjunction with a rogue anti-spyware application.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\a.dat	38,904 bytes	MD5: 0xB62BBDB5699B7E058AB093D63FC09B9F SHA-1: 0x5EB64388042D37E3EB41A6F12412D656FAD06230	(not available)
2	[file and pathname of the sample #1]	154,624 bytes	MD5: 0xC55541F0FABC46372A537CC508E2E924 SHA-1: 0xE239DFE6CC4816145E8C0DDEE32C985078F16D35	Downloader-BWS [McAfee]
3	%Windir%\Tasks\{7B02EF0B-A410-4938-8480-9BA26420A627}.job	274 bytes	MD5: 0x07542C43E75A7297207783368BE94C49 SHA-1: 0xE08C6FA130741831A18A0A852DC383A784FD7DD5	(not available)

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	552,960 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database
HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health
HKEY_CURRENT_USER\Software\NordBull

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\NordBull]

Az3 = "FOqkUtfLRBbe+w=="
Az0 = "Gbv+C4eSExjnyIpWf4+pYXAo/2QGxA/X94OiMMEM3fg237nyylZbrYEQClYRdcGS1ON6P5m4571goJmC4xWomQOXh+iA15mt6f7DMahkZJ33tfK4DkZWMcWW2cnPyMQGVluZfdr53e9qchkcxnbcTPwERLfcPxx4rQ4ITxpWoblikBGanFM3PsVwWW9cc5/3ZPxpA3YFl9CdJMLexxdZvw3I+CJ0y50mgEFYUS92kd+pf1cINlu6RdK4T
Av2 = 0x0000000A
Av5 = 0x00000E10
Av3 = 0x000000FA
Av4 = 0x00000064
Av6 = 0x0000000A
Av0 = 0x01CA6086
Av1 = 0x56DEDA10
Az1 = ""
Az2 = "ZuLNIa64IWuvvLI2X46gM04m4XVnqi/6lPGZOoQgs7J0x4Dgk1NI9w=="
Av6 = 0x0000000B

The following Registry Value was modified:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1601 =

Other details

The following ports were open in the system:

Port	Protocol	Process
1055	UDP	[file and pathname of the sample #1]
1062	TCP	[file and pathname of the sample #1]
1069	TCP	[file and pathname of the sample #1]
1071	TCP	[file and pathname of the sample #1]
1081	TCP	[file and pathname of the sample #1]
1117	TCP	[file and pathname of the sample #1]
1130	TCP	[file and pathname of the sample #1]
1159	TCP	[file and pathname of the sample #1]
1162	TCP	[file and pathname of the sample #1]
1163	TCP	[file and pathname of the sample #1]
1164	TCP	[file and pathname of the sample #1]
1165	TCP	[file and pathname of the sample #1]
1166	TCP	[file and pathname of the sample #1]
1167	TCP	[file and pathname of the sample #1]
1168	TCP	[file and pathname of the sample #1]
1169	TCP	[file and pathname of the sample #1]
1170	TCP	[file and pathname of the sample #1]
1172	TCP	[file and pathname of the sample #1]
1173	TCP	[file and pathname of the sample #1]
1174	TCP	[file and pathname of the sample #1]
1175	TCP	[file and pathname of the sample #1]
1176	TCP	[file and pathname of the sample #1]
1178	TCP	[file and pathname of the sample #1]
1179	TCP	[file and pathname of the sample #1]
1203	TCP	[file and pathname of the sample #1]

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
204.0.5.10	80
204.0.5.11	80
204.0.5.16	80
204.0.5.19	80
204.0.5.24	80
204.0.5.26	80
204.0.5.9	80
208.52.165.138	80
63.211.147.11	80
64.191.47.6	80
206.135.232.52	1101

The data identified by the following URLs was then requested from the remote web server:

http://cdn.ipromote.com/ad/script/js/flash4.js
http://m1.2mdn.net/879366/flashwrite_1_2.js
http://m1.2mdn.net/1089869/3-Menactra_Cdcgirl_0_160x600_F8_v4.swf
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/extensions/slideshow/controls_ul_ie_1.0.gif
http://d3.zedo.com/jsc/d3/fo.js
http://d3.zedo.com/jsc/d3/ff2.html?n=933;c=3;s=1;d=15;w=1;h=1
http://d3.zedo.com/jsc/blt.js
http://d3.zedo.com/bar/v15-202/d3/jsc/dm_iframe.js
http://d3.zedo.com/bar/v15-202/d3/jsc/iframe2.js
http://d3.zedo.com/ads2/d/3869/172/933/3/i0.js?z=1520
http://d3.zedo.com//jsc/d3/zmpfc.js?v=2-108
http://d3.zedo.com//ads2/k/621816/3869/172/0/933000003/933000003//0/933/1//1000007/i.js
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/doc_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/body_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/nav_li_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/hmisc_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/nav_a_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/images/en-us/ft_1.1.2.1.jpg
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/extensions/slideshow/zoom_sm_1.0.gif
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/extensions/slideshow/loading_1.0.gif
http://us.i1.yimg.com/us.yimg.com/lib/smb/assets/hosting/yss/extensions/slideshow/close_2.2.gif
http://us.i1.yimg.com/us.yimg.com/i/spacer.gif
http://c5.zedo.com/jsc/c5/fo.js
http://c5.zedo.com/jsc/c5/ff2r.html?n=735;c=1811/1756;d=7;w=160;h=600
http://c5.zedo.com/jsc/bmap.js
http://c5.zedo.com/jsc/lmap.js
http://c5.zedo.com/jsc/c5/ff2r.html?n=735;c=2224/1274;d=16;w=800;h=600
http://c5.zedo.com/bar/v15-202/c5/jsc/dm_iframe.js
http://c5.zedo.com/bar/v15-202/c5/jsc/iframe2.js
http://c5.zedo.com/bar/v15-202/c5/jsc/profile.js
http://c5.zedo.com/ads2/d/1821/172/735/1811/1756/i0.js?z=1520
http://c5.zedo.com/ads2/d/4125/172/735/2224/1274/i0.js?z=1520
http://c5.zedo.com//jsc/c5/ckhdlr.js
http://c5.zedo.com//jsc/c5/zmpfc.js?v=2-108
http://c5.zedo.com/ads2/e/735/eli.js
http://c5.zedo.com//ads2/k/586501/4125/172/0/735002224/735002224/0/735/0//1000029/i.js
http://c5.zedo.com//ads2/k/589404/1821/172/0/735001811/735001811/0/735/0//1000014/i.js
http://c7.zedo.com/jsc/lang.js
http://d7.zedo.com/bar/v15-202/d3/jsc/fm.js?c=584&f=&n=740&r=29&d=7&q=&s=53&z=0.10361477612012426
http://c7.zedo.com/bar/v15-202/c5/jsc/fm.js?c=2216/1729&f=&n=735&r=29&d=7&q=&s=80&z=0.9903782575935145
http://d7.zedo.com/jsc/lang.js
http://l2.zedo.com/log/p.gif?a=646721;h=449017;;;x=1821;g=172,0;c=735001811,735001811;i=1;n=735;;i=1;u=1ZV4jwoBAKwAADhGMKkAAAAE~110709;1=3;2=1;e=i;s=0;g=172;w=47;m=136;z=0.54040636282353940.13840974334885692
http://images.widgetbucks.com/images/overlay.png
http://l2.zedo.com/log/p.gif?a=586501;;;x=4125;g=172,0;c=735002224,735002224;i=1;n=735;;i=1;u=1ZV4jwoBAKwAADhGMKkAAAAE~110709;1=3;2=1;e=i;s=0;g=172;w=47;m=136;z=0.499448087210180850.02783082873240106
http://video.ivillage.com/player/?id=0&sky=miv|ivl|stream|vi|
http://video.ivillage.com/player/css/113/generic.css
http://video.ivillage.com/player/css/113/boxes.css
http://video.ivillage.com/player/js/common/fpv_dart-min.js
http://video.ivillage.com/player/js/common/fpv_cookie-min.js
http://video.ivillage.com/player/js/common/fpv_ratings-min.js
http://video.ivillage.com/player/js/common/soapclientmod-min.js
http://video.ivillage.com/player/js/common/prototype-min.js
http://video.ivillage.com/player/js/common/rico-min.js
http://video.ivillage.com/player/js/common/fpv_nav-min.js
http://l2.zedo.com/log/p.gif?a=586501;;;x=4125;g=172,0;c=735002224,735002224;i=0;n=735;;i=0;u=1ZV4jwoBAKwAADhGMKkAAAAE~110709;1=3;2=1;e=i;s=0;g=172;w=47;m=136;z=0.70550311996178370.556941190444796
http://l2.zedo.com/log/p.gif?a=589404;h=567175;;;x=1821;g=172,0;c=735001811,735001811;i=0;n=735;;i=0;u=1ZV4jwoBAKwAADhGMKkAAAAE~110709;1=3;2=1;e=i;s=0;g=172;w=47;m=136;z=0.344767538691474750.6083550044487801
http://m1.zedo.com/log/p.gif?a=621816;h=592123;;;x=3869;g=172,0;c=933000003,933000003;i=0;n=933;q=562;i=0;u=1ZV4jwoBAKwAADhGMKkAAAAE~110709;1=3;2=1;e=i;s=1;g=172;w=47;m=136;z=0.57957227968538950.7411183159052811
http://base.newsinfoa.com/btc_hd.html
http://us.js2.yimg.com/us.js.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/css/en-us/theme_1.1.2.2.css
http://us.js2.yimg.com/us.js.yimg.com/lib/smb/css/hosting/yss/v2/global.1_6_6_3.css
http://us.js2.yimg.com/us.js.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/css/en-us/layout_1_1.1.2.1.css
http://us.js2.yimg.com/us.js.yimg.com/lib/smb/assets/hosting/yss/themes/arcadia/flora/css/en-us/layout_1_wt_1.1.2.1.css
http://us.js2.yimg.com/us.js.yimg.com/lib/common/widgets/2/container/container_2.1.0.js
http://us.js2.yimg.com/us.js.yimg.com/lib/smb/js/hosting/cp/js_source/whv2_001.js
http://content.yieldmanager.com/ak/q.gif
http://content.yieldmanager.com/ak/q.gif?01AD=2-2-480D303EA35C6C4010FDDA39DFED5A1E5D032D7CD5A97101ABD84D11E8E5EA17-24D2CEFED64B074D064A5D7D2C26D372B39FFC841701293F839C2607E576F35A&01RI=365B9091AA0AD2D&01NA=na
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/jsivr/0,,17,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/ajax/0,,,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,,,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/0,,17,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/display/0,,,00.js
http://a820.g.akamai.net/f/820/822/1d/i.ivillage.com/includes/iv_header.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,navigation,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,search,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,cookies,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,cta,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,utilities,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,json,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,nbc,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,flash,00.js
http://a820.g.akamai.net/f/820/822/1d/www.ivillage.com/shared/js/scriptlets/0,17011,interstitial,00.js
http://a820.g.akamai.net/f/820/822/1d/i.ivillage.com/includes/Tacoda_AMS_DDC_Header.js
http://a820.g.akamai.net/f/820/822/1d/i.ivillage.com/includes/TacodaFTT.js
http://xml1.browsercast.com:1101/Pop?afID=7946&keywords=realtors
http://xml1.browsercast.com:1101/Pop?afID=7946&keywords=auto+glass
http://search.loansgranted.com/search.php?cat=aw&partner=aa3_tk
http://search.go2vacation.com/search.php?partner=king_aa3_tk&cat=aw&dt=aa3_tk
http://g.zedo.com/init/0.4074454569983486/g.gif
http://sugiga.com/ad_type.php
http://c13.zedo.com/jsc/c5/zpu.html?f=1;z=2-108
http://aanserver88.com/js/banner/banner.js
http://aanserver88.com/js/popup/popup.js
http://aanserver88.com/js/popup/close.gif
http://72.32.209.119/select.php?id=43
http://72.32.209.119/select.php?id=58
http://72.32.209.119/select.php?id=63
http://72.32.209.119/select.php?id=57
http://72.32.209.119/select.php?id=66
http://72.32.209.119/select.php?id=68
http://72.32.209.119/select.php?id=69

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 1101:

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