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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from d3bt01lx9eiyhq.cloudfront.net and multiple other hosts.
MD5:
227fec104f47cafe2a577ee46ad6a819

SHA-1:
816044a027cfcc608bcdf9f323b50fba9d0ad139

SHA-256:
fc0efb19279906812b141e49d35b59518d3b4c6cdbee8eed3ea57b010180e252

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 9:59:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Generic.AT
16.3.15.5

File size:
235.5 KB (241,152 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
3/15/2016 8:28:44 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:6YQlv5HIYHFi3sFkPiwwSOz0TZUds5EjRpSYXREl:18BFAIq0XSYXREl

Entry address:
0x109EC

Entry point:
E8, 4D, 28, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A8, 91, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 5C, 90, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 48, 0D, 42, 00, 89, 0D, 44, 0D, 42, 00, 89, 15, 40, 0D, 42, 00, 89, 1D, 3C, 0D, 42, 00, 89, 35, 38, 0D, 42, 00, 89, 3D...
 
[+]

Code size:
95.5 KB (97,792 bytes)

The file prepreinstaller_win.exe has been seen being distributed by the following 4 URLs.

http://d3bt01lx9eiyhq.cloudfront.net/prepreinstaller_win.exe

http://dm66z9a6d4fcx.cloudfront.net/prepreinstaller_win.exe

http://113.171.224.246/.../prepreinstaller_win.exe

http://d2k54omj9vnmc1.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.