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skype_tsv51sx8w.exe

Perion Network Ltd.

The application skype_tsv51sx8w.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:
cf5c30161068373fedd65d18feda2abc

SHA-1:
3cd93a06fcc6a98ae168c3a8e1a91c0182997567

SHA-256:
3109a5419b061ce18b588dc3cca174fc4bf7ec263291f7b609ca6a46c1a95046

Scanner detections:
10 / 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:
7/10/2025 5:03:28 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1895
9.0.1.0257

ESET NOD32
Win32/Toolbar.Conduit.AE
8.10397

IKARUS anti.virus
PUA.ClientConnect
t3scan.1.7.8.0

K7 AntiVirus
Adware
13.183.13333

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
14.0.0.3252

Malwarebytes
PUP.Optional.ClientConnect
v2014.09.14.02

NANO AntiVirus
Trojan.Win32.ClientConnect.deinfe
0.28.2.61942

Qihoo 360 Security
Win32/Virus.WebToolbar.8f1
1.0.0.1015

Reason Heuristics
PUP.Perion.P
14.9.14.14

VIPRE Antivirus
Conduit
32990

File size:
620.8 KB (635,712 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_tsv51sx8w.exe

Digital Signature
Signed by:
Perion Network Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/23/2012 8:00:00 PM

Valid to:
4/23/2015 7:59:59 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 2:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:mExG50H3ivW8iTlT2JJ/qg5h3NyQ8FBJn7YKbxkCshZ35J:mGW0H3iv0Tlqv5h3gTFBJn7L1CvT

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:
7.9578

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file skype_tsv51sx8w.exe has been seen being distributed by the following 3 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=1523566489278363350&PPD=search,44722410023,skype,p,,c,Skype,,,www.download-free-soft.net&FID=CJuoh7LA3sACFaYIwwodhTYARA&InstallSessionID=1523566489278363350152624207&CID=11132

http://dde.de.serverfiles-l-storage.com/92/489/ct4890692/0021f7bd3a3141f7b10448a167865eaf/Downloads/Prod/DDE1.4.0.1.140910.01/.../Skype.exe

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=1523566500867429030&PPD=search,44722410503,download skype,p,,c,Skype,,,www.download-free-soft.net&FID=CjwKEAjwnNqgBRDdgOitrZPj6yYSJACM86tDBNhSLeFoskEY9niq5E5IyVBepaK5E1K7IxrAbYcbDxoCMS_w_wcB&InstallSessionID=1523566500867429030163338506&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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