skype_tsv1970h.exe

Perion Network Ltd.

The application skype_tsv1970h.exe by Perion Network has been detected as a potentially unwanted program by 9 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:
cfaa66c20a14d5f2612546a92c11f6e7

SHA-1:
ad1d2259a9267f36a00cf6147d16226b2111fc41

SHA-256:
31da9e06830ca9e4525f5c643320c38930349042b78eac8ec07af2e4bf003f34

Scanner detections:
9 / 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:
5/7/2024 9:34:50 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1895
9.0.1.0196

ESET NOD32
8.9285

Malwarebytes
PUP.Optional.Conduit.A
v2014.07.15.05

McAfee
Artemis!CFAA66C20A14
5600.7068

Reason Heuristics
PUP.Perion.O
14.7.15.17

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14713

SUPERAntiSpyware
Adware.Conduit/Variant
10482

Trend Micro House Call
TROJ_GEN.F47V1219
7.2.196

VIPRE Antivirus
Conduit
25404

File size:
1 MB (1,078,464 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_tsv1970h.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
4/24/2012 2:00:00 AM

Valid to:
4/24/2015 1:59:59 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 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:ScEOrS1MfMOpaDy10jAwxmyNZa46j+RfgKQZBCnAWfIeMPFWh7:oaf3Iy1yNxi46SRYKEgnlM9Wh7

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_tsv1970h.exe has been seen being distributed by the following 16 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=1763663168963084287&PPD=search,33863750660,skype,p,,c,0,,,&FID=&InstallSessionID=176366316896308428773934384&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=1763663218549784575&PPD=search,45936392249,telecharger skype,e,,c,Skype,,,&FID=&InstallSessionID=176366321854978457519504476&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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