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download.exe

Eli Dahan

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application download.exe, “Installer for SummerSoft” by Eli Dahan has been detected as adware by 26 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
SummerSoft  (signed by Eli Dahan)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.8.29.1517

MD5:
6770c5242a31825c05f7f69ea952c9b2

SHA-1:
f9d457ef1c0ac9338680335fd10d4a9f593f5a6d

SHA-256:
01dbf8c07410c07570cea132427668c113705da041ccd22bdf404921a1cf39f5

Scanner detections:
26 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
11/24/2024 1:35:35 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.28

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.164.52

AVG
Adware Skodna.Generic.ANV
2014.0.3986

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.577708
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18993

Dr.Web
Adware.Downware.1442
9.0.1.05190

ESET NOD32
Win32/InstalleRex.K potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
7/27/2014

G Data
Win32.Application.InstalleRex
14.7.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.181.12846

Kaspersky
not-a-virus:HEUR:Downloader.Win32.AdLoad
15.0.0.494

Malwarebytes
PUP.Optional.Installrex
v2014.07.27.02

McAfee
PUP-FHQ
5600.7056

NANO AntiVirus
Riskware.Win32.Downware.crfmjd
0.28.2.60990

Panda Antivirus
PUP/TSUploader
14.07.27.02

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.B5
7.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.7.27.13

Rising Antivirus
PE:Malware.InstallRex!6.5D
23.00.65.14725

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstalleRex/Variant
10458

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

File size:
296.3 KB (303,448 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 SummerSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\download.exe

Digital Signature
Signed by:
Eli Dahan

Authority:
COMODO CA Limited

Valid from:
6/10/2013 2:00:00 AM

Valid to:
6/11/2014 1:59:59 AM

Subject:
CN=Eli Dahan, O=Eli Dahan, STREET=Halapid 3, L=Ramat Gan, S=Center, PostalCode=52573, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00864002C7281B93C1609931176B93A6AE

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:6rkI6Y0JQBkQRl7174NpNUM+UHs+1bL28uDrexqtreJA3/fkqnZr8uyaNPl7JCaU:6rkI63yRl1uqM+gs+1+tPexUuA3/fBZu

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file download.exe has been seen being distributed by the following 2 URLs.

http://yourfilesdatak.asia/.../?&q=Download&product_name=Download&installer_file_name=Download&external_id=1490239

http://iframe.yourfilesdatak.asia/exact/dl.php?id=1490239&r=http://yourfilesdatak.asia/.../?&q=Download&product_name=Download&installer_file_name=Download&__rnd=80439edacfd3afa7dbb626a2cfbca711

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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