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serialkey.exe

Install Lab ltd.

The application serialkey.exe by Install Lab ltd has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. The file has been seen being downloaded from www.smarterdl.com and multiple other hosts.
Publisher:
Install Lab ltd.  (signed and verified)

MD5:
25df2b317dddab89056cdbb32c2ca849

SHA-1:
817fab8ebd3e32e015c6ba39f69d589182076ee3

SHA-256:
b405700de37fddee30257dd9e7fca3264b43832e2c0cfdd086ba6dd3ca28451d

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
5/17/2025 11:31:21 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Yontoo.11
9.0.1.0207

Malwarebytes
PUP.Optional.OneClickDownloader.A
v2014.07.26.07

Qihoo 360 Security
Win32/Virus.Adware.47b
1.0.0.1015

Reason Heuristics
PUP.InstallLabltd.J
14.8.7.23

VIPRE Antivirus
CoolMirage Ltd
31628

File size:
368.6 KB (377,496 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Install Lab ltd.

Authority:
Thawte, Inc.

Valid from:
10/13/2013 3:00:00 AM

Valid to:
10/14/2014 2:59:59 AM

Subject:
CN=Install Lab ltd., O=Install Lab ltd., L=Tel Aviv, S=Tel Aviv, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
408CEA01026979279F7844366EFF6D80

File PE Metadata
Compilation timestamp:
12/6/2009 1:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:hsZ7ZPvSera5y3K8N8DTL0pV2LhZfScAVI2OTFz5HaMagqsVownITc0K3GAac6i:iZ3Sera5gK1r0n2LH9FTFx3vVLnD0K3j

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8771

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

https://www.smarterdl.com/.../aerosim-rc_4.exe

https://www.smarterdl.com/.../filecure_v2.exe

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