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download_we_chat_in_pc.exe

Cool Mirage ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application download_we_chat_in_pc.exe by Cool Mirage ltd has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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.
Publisher:
Cool Mirage ltd.  (signed and verified)

MD5:
12021173352c52a92006fabf61296081

SHA-1:
955454580c39def1b2de9df3ae4b276466656f22

SHA-256:
d5534b83b4544fda5fb85e64bf194ce190c34394be7c60795c7817d62f035bad

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/25/2024 4:31:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage.Installer (M)
16.7.7.6

File size:
231 KB (236,584 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\download_we_chat_in_pc.exe

Digital Signature
Signed by:
Cool Mirage ltd.

Authority:
COMODO CA Limited

Valid from:
11/14/2012 5:30:00 AM

Valid to:
11/15/2014 5:29:59 AM

Subject:
CN=Cool Mirage ltd., O=Cool Mirage ltd., STREET=ogarit 39, L=tel aviv, S=tel aviv, PostalCode=69016, C=IL

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

Serial number:
00FC28659CC8073606EF4D09A1994B1AD0

File PE Metadata
Compilation timestamp:
12/6/2009 4:20:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:gQIURTXJbadlU8JqAkd4+CgwKflTDl/WUoHma8/Ix2FB0Trc6SNxAWi6//x666B6:gsg7FJqAkdSufDA81FB0nSwWWLRe5

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:
7.7625

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.ftdownloader.com/download/product_download_old.php?file=uggc://hcybnqvat.pbz/svyrf/.../qbjaybnq jr pung va cp&name=qbjaybnq jr pung va cp&pub=ftdowns9&sp=1

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