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ef17.tmp

The file ef17.tmp has been detected as a potentially unwanted program by 2 anti-malware scanners. The file has been seen being downloaded from d2k54omj9vnmc1.cloudfront.net and multiple other hosts.
MD5:
7e579940cca4023c4ab819970c22d87c

SHA-1:
ff4d3543c6bcb2b7841bccf29496cc7f9221c36e

SHA-256:
d2268c3e1ec7c245b0128d74c9df29bdcb06be00f11f0235b6d7f186611945ee

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 9:35:14 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160518-2

Reason Heuristics
Adware.Downloader
16.6.26.10

File size:
275 KB (281,600 bytes)

Common path:
C:\windows\temp\ef17.tmp

File PE Metadata
Compilation timestamp:
5/25/2016 11:58:41 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:rzK+ZmAS0gpMyTghi472f0NW6B0u4ulLeQM:rzKkZJqkSq0PuVeQM

Entry address:
0xCC58

Entry point:
E8, 3F, 40, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, E8, B1, 42, 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, 7C, B0, 42, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63...
 
[+]

Code size:
164.5 KB (168,448 bytes)

The file ef17.tmp has been seen being distributed by the following 2 URLs.

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

http://d23d12h09rr1pi.cloudfront.net/prepreinstaller_win.exe

Remove ef17.tmp - Powered by Reason Core Security
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