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skype_tsv1acqi3.exe

Perion Network Ltd.

The application skype_tsv1acqi3.exe by Perion Network has been detected as a potentially unwanted program by 10 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:
a71712c5ed38bed26292caa94e3ff688

SHA-1:
e4bb588a6ac174be659415c68740f198c97a6472

SHA-256:
bb0b6b0671426c274590a28352e2dd9de36aad55aaf21c3cecb7be773ec560bc

Scanner detections:
10 / 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:
4/25/2024 8:52:01 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
2014.9-140829

Baidu Antivirus
Trojan.Win32.ClientConnect
4.0.3.14829

Dr.Web
Adware.Downware.1895
9.0.1.0241

ESET NOD32
Win32/Toolbar.Conduit.AE
8.10278

IKARUS anti.virus
PUA.ClientConnect
t3scan.1.7.5.0

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
14.0.0.3335

Malwarebytes
PUP.Optional.ClientConnect
v2014.08.29.01

Reason Heuristics
PUP.Perion.P
14.8.29.1

Trend Micro House Call
Suspicious_GEN.F47V0712
7.2.241

VIPRE Antivirus
Conduit
32346

File size:
642 KB (657,400 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_tsv1acqi3.exe

Digital Signature
Signed by:
Perion Network Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/23/2012 7:00:00 PM

Valid to:
4/23/2015 6:59:59 PM

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 1:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:YEbdlNx4MOv3q/kNO5rwFTzAvzCowcLJAjVsMO:YcdR43rO5UzuzXwgJAjVfO

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:
7.9623

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file skype_tsv1acqi3.exe has been seen being distributed by the following 4 URLs.

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=14&SoftwareName=Skype&SoftwareDownloadUrl=http://allmyapps.com/binary/1405/214044/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/s/k/.../ba6a1b6de2e70b25469f235d9ee4f5ec_Skype-logo.png&SoftwareDescription=Get together as often as you like&PUID=1605756828130918160&PPD=search,50725454649,skype download,e,,c,Skype,,,www.free-4-pc.com&FID=CjwKEAjwuYOeBRCy3pLljpjDkDcSJAAhA4mttGLQ4Kx5kyTwOdTvKBbKQgwlIAfsHf4tsisU6BoLxxoCskHw_wcB&InstallSessionID=160575682813091816013117642&CID=11068

http://dde.de.drive-files-b.com//5/134/ct1344405/ba1ce8c64a734abf85e83d9b0ddfbf51/Downloads/Prod/DDE1.3.9.0.140520.01/.../Skype.exe

http://ba1ce8c64a734abf85e83d9b0ddfbf51.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1523566151122107074&PPD=search,50727496809,skype,e,,c,Skype,,,www.free-4-pc.com&FID=Cj0KEQjwopOeBRC1ndXgnuvx8JYBEiQAq4RPt6EEgF9-Dmy622H7PpWlUn-XHWsd95kf3tywoJiVnWgaAhJ78P8HAQ&InstallSessionID=15235661511221070742284931&CID=11068

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=14&SoftwareName=Skype&SoftwareDownloadUrl=http://allmyapps.com/binary/1405/214044/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/s/k/.../ba6a1b6de2e70b25469f235d9ee4f5ec_Skype-logo.png&SoftwareDescription=Get together as often as you like&PUID=1523566151122107074&PPD=search,50727496809,skype,e,,c,Skype,,,www.free-4-pc.com&FID=Cj0KEQjwopOeBRC1ndXgnuvx8JYBEiQAq4RPt6EEgF9-Dmy622H7PpWlUn-XHWsd95kf3tywoJiVnWgaAhJ78P8HAQ&InstallSessionID=15235661511221070742284931&CID=11068

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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