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avast_free_antivirus_tsv27f2ns.exe

Perion Network Ltd.

The application avast_free_antivirus_tsv27f2ns.exe by Perion Network has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Perion Download Manager installer. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars. 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:
817f1b2dc1cdbd06b2ab01c4862d1e9f

SHA-1:
cb1fac9b5cdf1051369b97f8f367769ae457862a

SHA-256:
e947cbbde567c92f12713f529958e14ac9183a3add3b39492505351c7fe728a6

Scanner detections:
8 / 68

Status:
Potentially unwanted

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 8:51:22 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Wajam
4.0.3.1444

Dr.Web
Adware.Downware.1895
9.0.1.094

ESET NOD32
Win32/Wajam (variant)
8.9634

Fortinet FortiGate
Riskware/Wajam
4/4/2014

Malwarebytes
PUP.Optional.Conduit
v2014.04.04.12

McAfee
Artemis!817F1B2DC1CD
5600.7171

Reason Heuristics
PUP.Perion.EE
14.4.4.0

VIPRE Antivirus
Conduit
28006

File size:
665.7 KB (681,664 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\avast_free_antivirus_tsv27f2ns.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:eEmOPtdReD24V2zMh5CztUx7Ol4cTkREhYz/l9zccIWeGoHupZHPx:eNccD24/zCztUx706ESndIooHAZ

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:
7.9628

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file avast_free_antivirus_tsv27f2ns.exe has been seen being distributed by the following 17 URLs.

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1523565636713459194&PPD=search,38694991715,avast free,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CKbr59Xx470CFY17fgodELIA8A&InstallSessionID=15235656367134591941475661&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756356536477366&PPD=search,38694980315,avast free,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CJeWtMPc770CFabLtAodcQwA7g&InstallSessionID=1605756356536477366183837715&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1523565540408860938&PPD=search,38694992315,avast,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CMHmvrGPub0CFWdk7Aod2jAAnw&InstallSessionID=15235655404088609381362457&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756306645164666&PPD=search,38694991715,avast free,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CM3ctbrI2b0CFafm7AodzggAdA&InstallSessionID=1605756306645164666231037341&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756306757520902&PPD=search,38694997955,avast antivirus download,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CJXXqOzO2b0CFchQ7AodfDMAuw&InstallSessionID=1605756306757520902233912498&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756271926772816&PPD=search,38694978875,avast,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=COzCjfKSyr0CFTMetAoda1AA_w&InstallSessionID=160575627192677281620116973&CID=10940

http://0a5f257de23f4b89b4c81d56bb25d8bf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1605756279575569256&PPD=search,38694992315,avast,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CIK63NfFzb0CFcqUfgodZUQAvw&InstallSessionID=160575627957556925642628326&CID=10940

http://0a5f257de23f4b89b4c81d56bb25d8bf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1523565571763470012&PPD=search,38694980195,avast free,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CIODjbmFx70CFYQfwwod774ADA&InstallSessionID=152356557176347001214301777&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1523565571763470012&PPD=search,38694980195,avast free,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CIODjbmFx70CFYQfwwod774ADA&InstallSessionID=152356557176347001214301777&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756279575569256&PPD=search,38694992315,avast,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CIK63NfFzb0CFcqUfgodZUQAvw&InstallSessionID=160575627957556925642628326&CID=10940

http://0a5f257de23f4b89b4c81d56bb25d8bf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1523565649671906780&PPD=search,38694990155,avast free,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CLicu6HS6b0CFQIT7AodJRsApg&InstallSessionID=152356564967190678084325998&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1523565649671906780&PPD=search,38694990155,avast free,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CLicu6HS6b0CFQIT7AodJRsApg&InstallSessionID=152356564967190678084325998&CID=10940

http://0a5f257de23f4b89b4c81d56bb25d8bf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1605756316024490742&PPD=search,38694990395,avast free,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CJzz38_d3b0CFQqEfgodFE0AFw&InstallSessionID=1605756316024490742145554112&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756316024490742&PPD=search,38694990395,avast free,p,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CJzz38_d3b0CFQqEfgodFE0AFw&InstallSessionID=1605756316024490742145554112&CID=10940

http://dde.storage.dmccint.com//45/368/ct3687145/0a5f257de23f4b89b4c81d56bb25d8bf/Downloads/Prod/DDE1.3.8.8.140217.01/.../Avast_Free_Antivirus.exe

http://0a5f257de23f4b89b4c81d56bb25d8bf.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1605756242090583000&PPD=search,38694992075,avast,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CLW_2ezyvL0CFahlOgodpXwA4w&InstallSessionID=160575624209058300013333280&CID=10940

http://dm.distributionengine.conduit-services.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=7&SoftwareName=Avast! Free Antivirus&SoftwareDownloadUrl=http://allmyapps.com/binary/.../212040/direct-download?token=0c63f9a06957d29e6d7681d8ecbcbe5aa816537e&ImageUrl=http://static.allmyapps.com/data/apps/1/9/.../2aea32bb488b4f631588a3e95c91ecf8_ava_01.jpg&SoftwareDescription=The world’s most popular antivirus software&PUID=1605756242090583000&PPD=search,38694992075,avast,e,,c,Avast! Free Antivirus,,,www.software-watcher.com&FID=CLW_2ezyvL0CFahlOgodpXwA4w&InstallSessionID=160575624209058300013333280&CID=10940

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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