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SHA256: 764041de86906fa73c9da280031fd7e57c1e15bd364d803c7fbc7d356685fbf5
File name: cleanmaster_12_1.exe
Detection ratio: 0 / 62
Analysis date: 2017-03-19 17:23:02 UTC ( 7 months ago ) View latest
Antivirus Result Update
Ad-Aware 20170319
AegisLab 20170319
AhnLab-V3 20170319
Alibaba 20170228
ALYac 20170319
Antiy-AVL 20170319
Arcabit 20170319
Avast 20170319
AVG 20170319
Avira (no cloud) 20170319
AVware 20170319
Baidu 20170318
BitDefender 20170319
Bkav 20170318
CAT-QuickHeal 20170318
ClamAV 20170319
CMC 20170317
Comodo 20170319
CrowdStrike Falcon (ML) 20170130
Cyren 20170319
DrWeb 20170319
Emsisoft 20170319
Endgame 20170317
ESET-NOD32 20170319
F-Prot 20170319
F-Secure 20170319
Fortinet 20170319
GData 20170319
Ikarus 20170319
Sophos ML 20170203
Jiangmin 20170319
K7AntiVirus 20170319
K7GW 20170319
Kaspersky 20170319
Kingsoft 20170319
Malwarebytes 20170319
McAfee 20170319
McAfee-GW-Edition 20170319
Microsoft 20170319
eScan 20170319
NANO-Antivirus 20170319
nProtect 20170319
Palo Alto Networks (Known Signatures) 20170319
Panda 20170319
Qihoo-360 20170319
Rising 20170319
SentinelOne (Static ML) 20170315
Sophos AV 20170319
SUPERAntiSpyware 20170319
Symantec 20170318
Tencent 20170319
TheHacker 20170318
TotalDefense 20170319
TrendMicro 20170319
TrendMicro-HouseCall 20170319
Trustlook 20170319
VBA32 20170317
VIPRE 20170319
ViRobot 20170319
Webroot 20170319
WhiteArmor 20170315
Yandex 20170318
Zillya 20170317
ZoneAlarm by Check Point 20170319
Zoner 20170319
The file being studied is a Portable Executable file! More specifically, it is a Win32 EXE file for the Windows GUI subsystem.
Authenticode signature block and FileVersionInfo properties
Copyright
Copyright (C) 1998-2014 Kingsoft Corporation

Product Clean Master For PC
Original name kpacket.exe
Internal name kpacket
File version 2014,10,23,88
Description Clean Master Install
Signature verification Signed file, verified signature
Signing date 9:53 AM 11/3/2014
Signers
[+] Beijing Kingsoft Security software Co.,Ltd
Status This certificate or one of the certificates in the certificate chain is not time valid.
Issuer VeriSign Class 3 Code Signing 2010 CA
Valid from 1:00 AM 12/26/2011
Valid to 12:59 AM 12/26/2014
Valid usage Code Signing
Algorithm sha1RSA
Thumbprint E88DD1ACD2DB3A352072AA49C675F4944A3FEF82
Serial number 07 BC 3A 51 B5 89 E5 AF 43 29 1D F8 4E A4 C5 71
[+] VeriSign Class 3 Code Signing 2010 CA
Status Valid
Issuer VeriSign Class 3 Public Primary Certification Authority - G5
Valid from 1:00 AM 2/8/2010
Valid to 12:59 AM 2/8/2020
Valid usage Client Auth, Code Signing
Algorithm sha1RSA
Thumbprint 495847A93187CFB8C71F840CB7B41497AD95C64F
Serial number 52 00 E5 AA 25 56 FC 1A 86 ED 96 C9 D4 4B 33 C7
[+] VeriSign
Status Valid
Issuer VeriSign Class 3 Public Primary Certification Authority - G5
Valid from 1:00 AM 11/8/2006
Valid to 12:59 AM 7/17/2036
Valid usage Server Auth, Client Auth, Email Protection, Code Signing
Algorithm sha1RSA
Thumbprint 4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5
Serial number 18 DA D1 9E 26 7D E8 BB 4A 21 58 CD CC 6B 3B 4A
Counter signers
[+] COMODO Time Stamping Signer
Status This certificate or one of the certificates in the certificate chain is not time valid.
Issuer UTN-USERFirst-Object
Valid from 1:00 AM 5/10/2010
Valid to 12:59 AM 5/11/2015
Valid usage Timestamp Signing
Algorithm sha1RSA
Thumbrint 3DBB6DB5085C6DD5A1CA7F9CF84ECB1A3910CAC8
Serial number 47 8A 8E FB 59 E1 D8 3F 0C E1 42 D2 A2 87 07 BE
[+] USERTrust (Code Signing)
Status Valid
Issuer UTN-USERFirst-Object
Valid from 7:31 PM 7/9/1999
Valid to 7:40 PM 7/9/2019
Valid usage EFS, Timestamp Signing, Code Signing
Algorithm sha1RSA
Thumbrint E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46
Serial number 44 BE 0C 8B 50 00 24 B4 11 D3 36 2D E0 B3 5F 1B
Packers identified
F-PROT 7Z, UPX, UTF-8
PE header basic information
Target machine Intel 386 or later processors and compatible processors
Compilation timestamp 1970-01-06 14:41:04
Entry Point 0x000E09D0
Number of sections 3
PE sections
Overlays
MD5 bb1a2c89dd351e8930ee99e601b288b8
File type MGR bitmap, old format, 1-bit deep, 16-bit aligned
Offset 484864
Size 5282736
Entropy 8.00
PE imports
_TrackMouseEvent
LineTo
VirtualFree
ExitProcess
VirtualProtect
LoadLibraryA
VirtualAlloc
GetProcAddress
AlphaBlend
VarUI4FromStr
Ord(680)
StrTrimW
CoInitialize
Number of PE resources by type
PNG 17
RT_ICON 6
XML 2
RT_VERSION 2
RT_GROUP_ICON 2
RT_MANIFEST 1
Number of PE resources by language
CHINESE SIMPLIFIED 28
NEUTRAL 1
ENGLISH US 1
PE resources
ExifTool file metadata
SubsystemVersion
4.0

InitializedDataSize
90112

ImageVersion
0.0

ProductName
Clean Master For PC

FileVersionNumber
2014.11.3.1013

UninitializedDataSize
520192

LanguageCode
Neutral

FileFlagsMask
0x003f

CharacterSet
Unicode

LinkerVersion
8.0

FileTypeExtension
exe

OriginalFileName
kpacket.exe

MIMEType
application/octet-stream

Subsystem
Windows GUI

FileVersion
2014,10,23,88

TimeStamp
1970:01:06 15:41:04+01:00

FileType
Win32 EXE

PEType
PE32

InternalName
kpacket

ProductVersion
9,1,200190,88

FileDescription
Clean Master Install

OSVersion
4.0

FileOS
Windows NT 32-bit

LegalCopyright
Copyright (C) 1998-2014 Kingsoft Corporation

MachineType
Intel 386 or later, and compatibles

CompanyName
Kingsoft Corporation

CodeSize
397312

FileSubtype
0

ProductVersionNumber
9.1.3582.88

Warning
Possibly corrupt Version resource

EntryPoint
0xe09d0

ObjectFileType
Dynamic link library

CarbonBlack CarbonBlack acts as a surveillance camera for computers
While monitoring an end-user machine in-the-wild, CarbonBlack noticed the following files in execution wrote this sample to disk.
While monitoring an end-user machine in-the-wild, CarbonBlack noticed this sample wrote the following files to disk.
Execution parents
PE resource-wise parents
Overlay parents
Compressed bundles
File identification
MD5 d73be88462193d265f9b16d52852a032
SHA1 d5a4e36e9615aac45955cca9fe3087480b7dca3c
SHA256 764041de86906fa73c9da280031fd7e57c1e15bd364d803c7fbc7d356685fbf5
ssdeep
98304:pwa8MfswQfl/DnHQs1Z6Vcw49GjSl5VfEjpsS2XHqqus6Vjb5QZ/FpOreGV91KjV:pd5kDnHQsmCX8Q5VfcpsFjAySeGbQLZD

authentihash 973e404cde595b1c5a2a1d335532199aa0e4335fc5bc09ba5a5bb8079233b69f
imphash b4de369785df0c428bc97dc9c0d691ae
File size 5.5 MB ( 5767600 bytes )
File type Win32 EXE
Magic literal
PE32 executable for MS Windows (GUI) Intel 80386 32-bit

TrID Win32 Executable (generic) (52.9%)
Generic Win/DOS Executable (23.5%)
DOS Executable Generic (23.5%)
Tags
peexe overlay signed upx via-tor

VirusTotal metadata
First submission 2014-11-03 10:27:08 UTC ( 2 years, 11 months ago )
Last submission 2017-10-15 15:23:35 UTC ( 1 day, 14 hours ago )
File names cleanmaster_12_1.exe
d5a4e36e9615aac45955cca9fe3087480b7dca3c.exe
CleanMaster.exe
cleanmaster_12_1(1).exe
Clean Master.exe
kpacket
cleanmaster_12_1.exe
cleanMasterwn10.exe
cleanmaster_12_1.exe
cleanmaster_12_1_11.3.101320170629-18719-1l6kpk0.exe
cleanmaster_12_1.exe
clean.exe
filename
cleanmaster.exe
tmp_20146-cleanmaster_12_11439439856.exe
cleanmaster_12_1.exe
CleanMaster_12.exe
cleanmaster_12_1_(1)[1].exe
clean_master.exe
cleanmaster_12_1.exe
cleanmaster_12_1.exe
Clean Master for PC BY JT Uploader.exe
cleanmaster_12_1.exe
Clean Master 2017 By PROJ10.exe
cleanmaster_12_1.exe
Advanced heuristic and reputation engines
ClamAV
Possibly Unwanted Application. While not necessarily malicious, the scanned file presents certain characteristics which depending on the user policies and environment may or may not represent a threat. For full details see: https://www.clamav.net/documents/potentially-unwanted-applications-pua .

Behaviour characterization
Zemana
dll-injection

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Condensed report! The following is a condensed report of the behaviour of the file when executed in a controlled environment. The actions and events described were either performed by the file itself or by any other process launched by the executed file or subjected to code injection by the executed file.
Opened files
Read files
Written files
Created mutexes
Runtime DLLs
Additional details
The file sends control codes directly to certain device drivers making use of the DeviceIoControl Windows API function.