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skype_tsa1e3gcp.exe

Perion Network Ltd.

The application skype_tsa1e3gcp.exe by Perion Network has been detected as a potentially unwanted program by 11 anti-malware scanners. The program is a setup application that uses the Perion Download Manager installer. The file has been seen being downloaded from dm.dmccint.com and multiple other hosts. While running, it connects to the Internet address ude.databssint.com on port 80 using the HTTP protocol.
Publisher:
Perion Network Ltd.  (signed and verified)

MD5:
e533693db46519ee9488aedb6873f25b

SHA-1:
1de04bb452e303935e618aa1e7436b280eb68f22

SHA-256:
c282a7c60ee10cf78c77eae5bfc5cd5311cd5dedbd239273c939fb4a003d20d7

Scanner detections:
11 / 68

Status:
Potentially unwanted

Explanation:
Bundles the Conduit Toolbar and/or Conduit Search Protect.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/29/2024 3:55:10 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Rootkit-gen [Rtk]
2014.9-140826

Baidu Antivirus
Adware.Win32.Perinet
4.0.3.14826

Dr.Web
Adware.Downware.1895
9.0.1.0238

ESET NOD32
Win32/Toolbar.Conduit.AE
8.10302

IKARUS anti.virus
PUA.ClientConnect
t3scan.1.7.5.0

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
14.0.0.3349

Malwarebytes
PUP.Optional.ClientConnect
v2014.08.26.07

McAfee
Artemis!E533693DB465
5600.7027

Reason Heuristics
PUP.Perion.P
14.8.26.6

Trend Micro House Call
Suspicious_GEN.F47V0822
7.2.238

VIPRE Antivirus
Conduit
32476

File size:
641.7 KB (657,120 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Perion Download Manager (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\skype_tsa1e3gcp.exe

Digital Signature
Signed by:
Perion Network Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/24/2012 1:00:00 AM

Valid to:
4/24/2015 12:59:59 AM

Subject:
CN=Perion Network Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Perion Network Ltd., L=Tel Aviv, S=Tel Aviv, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
45F87694FE8D1984719796AEC8031DF4

File PE Metadata
Compilation timestamp:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:WEb+mJb2zNoVXItQW0NVHDqycQdcCakPBFAgv8wvgye9SBgXRs/MGk7rT:Wc+k2xol7HGRQdcCakpRv8wvgyNBK39X

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9620

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file skype_tsa1e3gcp.exe has been seen being distributed by the following 12 URLs.

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566410652285260&PPD=search,44655673703,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=Cj0KEQjw7IWgBRCjv8Cv4vfC3ckBEiQAE7nvR7nhjbpA-QgtNwi8a1bIJAAq2pCK6HMxbIa8kBg98eIaAjgR8P8HAQ&InstallSessionID=152356641065228526018104532&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566410900901244&PPD=search,45229089143,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=CNa7uZLZu8ACFVQV7AodM3wAMQ&InstallSessionID=1523566410900901244191358967&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566416673122046&PPD=search,44655767903,skype,e,,c,Skype,,,www.download-free-soft.net&FID=COvS3KGhvsACFRHLtAodUl0AeA&InstallSessionID=1523566416673122046194156271&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566417400845800&PPD=search,44722408823,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=CLqjndDKvsACFa5AMgodDBAAlw&InstallSessionID=1523566417400845800224659774&CID=11132

http://0021f7bd3a3141f7b10448a167865eaf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1523566429223341378&PPD=search,45644069063,skype,e,,c,Skype,,,www.download-free-soft.net&FID=CLnS0o3tw8ACFUNgMgodInIArw&InstallSessionID=152356642922334137805336910&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566429223341378&PPD=search,45644069063,skype,e,,c,Skype,,,www.download-free-soft.net&FID=CLnS0o3tw8ACFUNgMgodInIArw&InstallSessionID=152356642922334137805336910&CID=11132

http://0021f7bd3a3141f7b10448a167865eaf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1605757066791850258&PPD=search,44722412423,skype free,e,,c,Skype,,,www.download-free-soft.net&FID=CjwKEAjw9-CfBRD8lt_w86zJiDUSJAADZA38HWmPMxvF564JcT9Y3WKTRElj14Vis_0_7wmxN0I67RoCvYbw_wcB&InstallSessionID=16057570667918502585554623&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1605757066791850258&PPD=search,44722412423,skype free,e,,c,Skype,,,www.download-free-soft.net&FID=CjwKEAjw9-CfBRD8lt_w86zJiDUSJAADZA38HWmPMxvF564JcT9Y3WKTRElj14Vis_0_7wmxN0I67RoCvYbw_wcB&InstallSessionID=16057570667918502585554623&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1605757060133014028&PPD=search,44722408823,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=Cj0KEQjw1NufBRCx8ayaqY2t6KkBEiQA2nLWm51_ysrKeo6dgBiJUwZRZhRVvKqwvg4DuWKz1dN3TkMaAnVc8P8HAQ&InstallSessionID=160575706013301402805229311&CID=11132

http://0021f7bd3a3141f7b10448a167865eaf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1523566385802803812&PPD=search,44655673703,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=CjwKEAjw4PCfBRCz966N9pvJ4GASJAAEdM_KgEKwCsH3VlV5PXv8y2UpvrNyOwg1eE2SQvYhHwv83BoCVmXw_wcB&InstallSessionID=152356638580280381285111661&CID=11132

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=Skype&SoftwareDownloadUrl=http://downloads.safestdownloads.com/skype.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../skype_1.png&SoftwareDescription=Calling, seeing, messaging and sharing with others – wherever they are.&PUID=1523566385802803812&PPD=search,44655673703,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=CjwKEAjw4PCfBRCz966N9pvJ4GASJAAEdM_KgEKwCsH3VlV5PXv8y2UpvrNyOwg1eE2SQvYhHwv83BoCVmXw_wcB&InstallSessionID=152356638580280381285111661&CID=11132

http://dde.de.drive-files-b.com//92/489/ct4890692/0021f7bd3a3141f7b10448a167865eaf/Downloads/Prod/DDE1.3.9.0.140520.01/.../Skype.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ude.databssint.com  (107.22.223.150:80)

TCP (HTTP):
Connects to storage.stgbssint.com  (172.229.236.170:80)

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