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skype_tsa1j3d59.exe

Perion Network Ltd.

The application skype_tsa1j3d59.exe by Perion Network has been detected as a potentially unwanted program by 12 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:
ba06d3c85c64ca2b7d9173f930e3edc4

SHA-1:
b54f2468c633c8a4e1c5a4a73ef43c5142c6f490

SHA-256:
3951465b0795b0789ab42c96da61059dd27c93360f43f32f26a7cf42fbbadec3

Scanner detections:
12 / 68

Status:
Potentially unwanted

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/27/2024 4:22:33 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Perinet
4.0.3.141026

Dr.Web
Adware.Downware.1895
9.0.1.0299

ESET NOD32
Win32/Toolbar.Conduit.AE
8.10422

IKARUS anti.virus
PUA.ClientConnect
t3scan.1.7.8.0

K7 AntiVirus
Adware
13.183.13379

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
14.0.0.3043

Malwarebytes
PUP.Optional.ClientConnect
v2014.10.26.07

McAfee
Artemis!BA06D3C85C64
5600.6966

NANO AntiVirus
Trojan.Win32.ClientConnect.deinfe
0.28.2.61942

Panda Antivirus
Trj/Chgt.F
14.10.26.07

Reason Heuristics
PUP.Perion.P
14.10.26.7

VIPRE Antivirus
Conduit
33150

File size:
620.6 KB (635,488 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_tsa1j3d59.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:EExMuVNn43DWVsWnOUbL3R0ZR8modAwKw/L76tp1:EGfW3KhnLGZR8modAqX6r1

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:
7.9580

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file skype_tsa1j3d59.exe has been seen being distributed by the following 2 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=1523566501794723464&PPD=search,45229089143,skype download,e,,c,Skype,,,www.download-free-soft.net&FID=CI-o0e6H5MACFWoR7AoddGQASQ&InstallSessionID=1523566501794723464202927691&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=1523566489278363350&PPD=search,44722410023,skype,p,,c,Skype,,,www.download-free-soft.net&FID=CLf_mYzB3sACFYMewwodT04AuA&InstallSessionID=1523566489278363350152624207&CID=11132

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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