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skype_tsv444e6.exe

Perion Network Ltd.

The application skype_tsv444e6.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.distributionengine.conduit-services.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:
3e7b5a9f52a0634ad5d1a9dba7221452

SHA-1:
5b1866483c8490eb51f40a9d05f61f2314b45c17

SHA-256:
36339a715d5670fc69595c7c6381eaa40cda7a3efa9f5ff50863f1c323aee5a5

Scanner detections:
11 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

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:
12/26/2024 11:35:05 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1895
9.0.1.0364

ESET NOD32
Win32/Toolbar.Conduit.AE (variant)
8.10692

G Data
Win32.Adware.OpenCandy
14.12.24

K7 AntiVirus
Unwanted-Program
13.185.13943

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
14.0.0.2716

Malwarebytes
PUP.Optional.Conduit.A
v2014.12.30.09

NANO AntiVirus
Trojan.Win32.ClientConnect.dgyrqb
0.28.6.62995

Reason Heuristics
PUP.Perion.O
14.12.30.21

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.141228

SUPERAntiSpyware
Adware.Conduit/Variant
10145

VIPRE Antivirus
Conduit
34630

File size:
1 MB (1,080,816 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_tsv444e6.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):
24576:tlaqMcGDG0E1Wjm0eFZQbWQatGK1iiJ8RcCqKS9Si:pQT8jtGK1iiqRcCsh

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file skype_tsv444e6.exe has been seen being distributed by the following 4 URLs.

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=0&SoftwareName=Skype&SoftwareDownloadUrl=http://allmyapps.com/binary/1405/209901/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/s/k/.../8cdc809ad9e343a2e3a42ea1cf9d4de8_skype-1.jpg&SoftwareDescription=Get together as often as you like&PUID=1590555984644276223&PPD=search,33422475500,skype download,e,,c,0,,,&FID=&InstallSessionID=15905559846442762231326884&CID=10844

http://dde.integration.storage.conduit-services.com/84/87/ct879284/e3e73332a9ad47178c965bf4b6e16029/Downloads/Prod/DDE1.3.8.7.131203.03/.../Skype.exe

http://e3e73332a9ad47178c965bf4b6e16029.integration.download.conduit-services.com/Default.ashx?EnvironmentID=1&PUID=1590555996873228287&PPD=search,33422471300,skype,e,,c,0,,,&FID=&InstallSessionID=15905559968732282875226345&CID=10844

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=0&SoftwareName=Skype&SoftwareDownloadUrl=http://allmyapps.com/binary/1405/209901/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/s/k/.../8cdc809ad9e343a2e3a42ea1cf9d4de8_skype-1.jpg&SoftwareDescription=Get together as often as you like&PUID=1590555996873228287&PPD=search,33422471300,skype,e,,c,0,,,&FID=&InstallSessionID=15905559968732282875226345&CID=10844

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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