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classicshell-setup.exe

Zoobam

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application classicshell-setup.exe by Zoobam has been detected as adware by 25 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from files4.mirror3.info and multiple other hosts.
Publisher:
Zoobam  (signed and verified)

MD5:
2aa8abcebedbdbeb21684e6e2186db9d

SHA-1:
59ae7f195d588cd23b06bf2a4f90e2f651bd55e7

SHA-256:
1f2c04dca12bacf4a481f88b18427813b5205186f36b90af82c06b3ec37b1749

Scanner detections:
25 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
2/25/2025 7:27:15 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.KJ
693

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2014.10.13

Avira AntiVirus
ADWARE/Adware.Gen
7.11.30.172

AVG
Generic
2016.0.3171

Bitdefender
Application.Bundler.KJ
1.0.20.360

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/19505

Comodo Security
Application.Win32.DownloadAdmin.ANGL
20663

Dr.Web
Adware.Downware.2220
9.0.1.072

Emsisoft Anti-Malware
Application.Bundler.KJ
8.15.03.13.09

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
9.7.0.302.0

F-Prot
W32/S-92ce39bf
v6.4.7.1.166

F-Secure
Adware:W32/WebInstallBundle
11.2015-13-03_6

G Data
Application.Bundler.KJ
15.3.25

herdProtect (fuzzy)
variant of vlcmediaplayer-setup.exe (Adware)
2015.6.20.4

IKARUS anti.virus
Trojan.Dropper
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.183.13642

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.03.13.09

MicroWorld eScan
Application.Bundler.KJ
16.0.0.216

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.30.0.64448

Norman
InstallCore.WQEC
11.20150313

Reason Heuristics
PUP.Bundler.Tightrope
15.3.13.21

Sophos
Download Admin
4.98

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Threat.4783369
33706

File size:
75.8 MB (79,489,128 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Digital Signature
Signed by:
Zoobam

Authority:
GoDaddy.com, Inc.

Valid from:
10/15/2014 8:27:59 PM

Valid to:
10/15/2017 8:27:59 PM

Subject:
CN=Zoobam, O=Zoobam, L=Kirkland, S=Washington, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EA9D31E75E043

File PE Metadata
Compilation timestamp:
7/15/2014 10:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:yxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8S:+p9sVuaVdvgVbmgGDijyikg5

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
0.1504

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file classicshell-setup.exe has been seen being distributed by the following 2 URLs.

http://files4.mirror3.info/download/.../dl?bc=1097324&pid=TR&brand=freedownloads.us.com&s=msn&c=FreeD_ClassicShell_US_Phrase&country=US&cb=24411282&osName=Windows&osVersion=8.1&browserName=Chrome&browserVersion=36&zTmp=1

http://files5.mirror3.info/dl?bc=1097324

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