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ciwr.exe

The application ciwr.exe has been detected as a potentially unwanted program by 17 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from d3jydz90x0ejp8.cloudfront.net. While running, it connects to the Internet address 208.43.241.178-static.reverse.softlayer.com on port 80 using the HTTP protocol.
MD5:
138d992aebeb9755b7422c6cd5c8ccb3

SHA-1:
a7aa75475094649c42e658ad8ec66e53aa048003

SHA-256:
074ccce5697bfdb3ee1004d899a2a7d86190d1eecc31db512856c7d91a3f1599

Scanner detections:
17 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 9:02:22 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.GenericKD.2493970
575

Arcabit
Trojan.Generic.D260E12
1.0.0.425

avast!
Win32:Adware-gen [Adw]
2014.9-150709

Baidu Antivirus
Adware.Win32.Downloader
4.0.3.15610

Bitdefender
Trojan.GenericKD.2493970
1.0.20.950

Emsisoft Anti-Malware
Trojan.GenericKD.2493970
8.15.07.09.09

ESET NOD32
Win32/Adware.ConvertAd.SU.gen (variant)
9.11882

F-Secure
Trojan.GenericKD.2493970
11.2015-09-07_5

G Data
Trojan.GenericKD.2493970
15.7.25

K7 AntiVirus
Adware
13.205.16445

Kaspersky
Trojan-Downloader.Win32.Genome
14.0.0.1761

McAfee
Artemis!138D992AEBEB
5600.6709

MicroWorld eScan
Trojan.GenericKD.2493970
16.0.0.570

nProtect
Trojan.GenericKD.2493970
15.07.03.01

Panda Antivirus
Trj/CI.A
15.07.09.09

Trend Micro
TROJ_GEN.R0EBC0OFM15
10.465.09

VIPRE Antivirus
Trojan.Win32.Generic
41668

File size:
67.2 KB (68,816 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\uqdq6ma8\ciwr.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:apgpHzb9dZVX9fHMvG0D3XJjCRz4ylMYgjrzZ4YELVUWosb+o41ahfE:YgXdZt9P6D3XJjCRz4yqjrtW0o4sS

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.4169

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://d3jydz90x0ejp8.cloudfront.net/ciwr.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ec2-54-85-75-165.compute-1.amazonaws.com  (54.85.75.165:80)

TCP (HTTP):
Connects to 208.43.241.179-static.reverse.softlayer.com  (208.43.241.179:80)

TCP (HTTP):
Connects to 208.43.241.178-static.reverse.softlayer.com  (208.43.241.178:80)

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