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rainbow.exe

The application rainbow.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. 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 installerlaunch-ggh1.com.
MD5:
7a537fb5af9befece7acb27a20312910

SHA-1:
28b005e9a033f44006b6cf7ec0037c0a5944fe5a

SHA-256:
00d95e47fd69694570f414aff6fe2da158de20fd3e179f34ea5465b2b54d7b53

Scanner detections:
4 / 68

Status:
Potentially unwanted

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

Analysis date:
4/27/2024 4:11:26 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Packed.29650
9.0.1.05190

ESET NOD32
Win32/InstallCore.BX potentially unwanted application
7.0.302.0

Sophos
PUA 'Install Core Click run software'
5.22

VIPRE Antivirus
Threat.4150696
46020

File size:
860.7 KB (881,312 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\Documents and Settings\{user}\My documents\downloads\rainbow.exe

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:CyMJfskH2vT6H8ymF1rNqMxg6EafVzbshz60iI3KgK8UB1noNFWEX:ClJfskHTK1roMxTEafmhz60hadboy+

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8484

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file rainbow.exe has been seen being distributed by the following URL.

http://installerlaunch-ggh1.com/index.php?dl=download.installerlaunch-ggh1.com/ggh_13917_v1.exe&dn=rainbow.exe&sid=1579-us&pid=1570&browser=chrome&ptrk=gi6tiea2k4pi2u4001m1fthbs7&TYP_URL=http://.../ty.php

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